LEFEET S1 User manual

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Ver.1.0 01/01/20
LEFEET S1 WATERSCOOTER
USER MANUAL

Thank you for your purchase of the LEFEET S1!
LEFEET S1 is a hi-tech water scooter which provides power propulsion to underwater divers. LEFEET S1 is easier to carry and use due
to its compact and lightweight design, with 3 speed-settings to meet your needs. The modular design provides for diversification of use
and a safer overall experience for you.
Have fun!
- LEFEET Team
LEFEET S1 WATERSCOOTER

TABLE OF CONTENTS
I - GENERAL INFORMATION V - HOW TO USE
VI - MAINTENANCE
VII - SPECIFICATIONS
WARRANTY SERVICE
III - ASSEMBLING
II - PRODUCT FEATURES
IV - CHARGING
1.1 WHAT’S IN THE BOX? .................................................... 4
1.2 SAFETY WARNINGS ...................................................... 5
5.1 HOW TO USE YOUR LEFEET S1 ....................................... 14
5.2 HOW TO TIE YOUR LOST-PREVENTION STRAP .............. 15
5.3 HOW TO PAIR WITH THE MAIN UNIT AND THE
REMOTE CONTROL .................................................................16
6.1 CLEAN ISSUES ............................................................. 18
6.2 STORAGE ..................................................................... 19
6.3 DISPOSAL AT END-OF-LIFE ......................................... 19
LEFEET S1 SPECIFICATIONS ................................................. 20
2.1 PRODUCT DIAGRAM ..................................................... 7
2.2 REMOTE CONTROL DIAGRAM ..................................... 8
3.1 HANDLE ASSEMBLING ...................................................... 9
3.2 ASSEBLING THE HANDLE BRACKET ONTO THE
MAIN UNIT .............................................................................. 10
3.3 INSTALL AND REMOVE THE BATTERY ........................... 11
4.1 HOW TO CHARGE THE LEFEET S1 ...................................12
4.2 HOW TO CHARGE THE REMOTE CONTROL .....................13
LEFEET S1 WATERSCOOTER

I - GENERAL INFORMATION
Before using your LEFEET S1, please read all instructions. This manual will guide you through the functions, usage, and proper care of
your LEFEET S1. If you have any question or cannot find the information you need in the manual, please feel free to contact us through:
[email protected]. Before contacting customer service, please have your purchase information ready as this may be needed during
the service.
When reading this manual, note these icons:
Notes with this icon MUST be read, understood, and obeyed to prevent injury or damage, etc.
Notes with this icon include relevant information.
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1.1 WHAT’S IN THE BOX?
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
Main Unit Cover x 1
Main Unit x 1
Remote Control x 1
Handle x 2
Handle Knob x 1
Quick-Disassemble Screws x 2
Handle Bracket x 1
Battery x 1
Battery Charger x 1
O Ring (Spare) x 1
Remote Control Charge Cable x 1
Lost-prevention Strap x 1
Quality Certificate x 1
User Manual x 1
4
Fig. 1
6
7 8
11 12 14
1
35
13
2
4
9
10

1.2 SAFETY WARNINGS
The LEFEET S1 has been designed with the utmost safety in mind for its users. However, as with any scooter product, the
LEFEET S1 has inherent hazards associated with its use (for example: losing control). Therefore, it is important to read and
follow all instructions and warnings in the user manual and use good judgment when using the scooter.
By using the LEFEET S1, the user acknowledges and accepts responsibility of all risks associated with the use of the LEFEET S1,
which may include, but are not limited to, muscle injuries, broken bones, lacerations, or other serious injuries.
Use the LEFEET S1 at your own risk. We are not responsible for mishaps due to lack of common sense.
To better ensure your safety, ALWAYS USE APPROPRIATE PROTECTIVE GEAR, read and follow all instructions and warnings in
the user manual.
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This product is entertainment equipment, it can not be used as lifesaving equipment.
This product only can be used in water. Please don't operate LEFEET S1 in the air, otherwise, it will be burned down due to
overheat.
Any accessories of this product should not be close to the fire source and should not be under heavy pressure.
The operating temperature of this product is 32°F ~ 104°F, and the storage temperature of any accessory of this product is 14° F
~ 122° F.
The surface of the product shall not contact with volatile, acidic, corrosive substances or sharp objects.
Do not place any part of the body or foreign matter near the propeller when the product is equipped with batteries.
After-sales service and repair can only be carried out by the authorization center. Unauthorized repair will invalidate the warranty,
at the same time, there is a risk of personal safety and damage to the product function.

6
Minors under 14 years of age shall not use this product. Minors who have reached the age of 14 should use this product under the escort of a
guardian.
Do not use this product if you are not fit for swimming, snorkeling or diving.
Do not use this product under the influence of alcohol or drugs.
Before using this product, make sure that the water is suitable for swimming, diving, etc., and that this product is allowed.
Before using this product, check that the surface of the product is not damaged, the battery is not damaged, and the propeller is working properly
to ensure that the product has enough power to return to the shore safely.
Before using this product for diving, please confirm that you are qualified for diving, you must be equipped with life-saving equipment, take
protective measures, and do it under the condition of being accompanied.
Users who do not know how to swim should use this product in shallow water areas and confirm that other life-saving equipment is available or
that a swim/life-saving instructor is present.
When using this product, please wear life jacket or life-saving equipment, wear swimming cap, do not wear loose clothes, and keep a safe
distance from the surrounding long hair or wearing loose clothes, avoid long hair or clothes involved in the propeller.
While using this product, please hold the handle tightly and do not point the front and the tail of the product to the face of you or others,
especially the eyes.
When using this product, pay attention to the surrounding environment in order to avoid collision, do not let algae rope or other debris wrap
around the propeller.
Do not try this product directly on the beach to avoid sand, shells or other debris being brought into the propeller.
This product is forbidden to dive to waters exceeding 40 meters in depth.
Use only the charging accessories provided by the manufacturer. Other chargers are not allowed.
The temperature range within which the battery can be charged is 50°F ~ 113°F.
The battery can not be disassembled and modified, and it can not be subjected to strong vibration and shock. After the battery is installed,
please take it lightly.
The battery should not be damp, and the battery metal socket should not touch any liquid. When you install, remove and store battery, please
keep this product and your hands completely dry in a dry environment.
If, during using or charging, the battery gives off an unusual odor, heat, change color, shape, or any other abnormality, please stop using or
charging immediately. Please check the storage environment if the above abnormal conditions occur during battery storage.
Do not place the battery in microwave ovens, high-pressure containers, or on induction cookware.
Do not place the battery in direct sunlight or use or store the battery inside cars in hot weather.
In the event that the battery leaks and the fluid gets into one’s eye, do not rub the eye. Rinse well with water and immediately seek medical care.
If left untreated, the battery fluid could cause damage to the eye.

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II - PRODUCT FEATURES
2.1 PRODUCT DIAGRAM
Main Unit Cover
Trigger
Sports Camera Mount Handle Bracket
Handle
Handle
Remote Switch /
Speed Switch Key
Main Unit Switch/
Speed Switch Key
Remote Control
Charging Port Cover
Main Unit
Quick-Disassemble
Screw x 2
Fig. 2

8
2.2 REMOTE CONTROL DIAGRAM
Trigger
Remote Switch /
Speed Switch Key
Trigger Lock
Remote Control
Charging Port Cover
Fig. 3

9
III - ASSEMBLING
3.1 HANDLES ASSEMBLING
STEP 1.
STEP 2.
STEP 3.
STEP 4.
STEP 5.
Take out the two Handles, Handle
Knob, Handle Bracket and the Remote
Control from the package.
Kindly pay attention to check the front
and back directions of the Remote
Control installation, so that the Trigger
of the Remote Control is back against
yourself (Fig. 4).
Insert the Handle Knob into the hole on
left side of the Handle Bracket. Align to
the Handle and insert the Handle Knob
into one of its tube.
Anticlockwise screwing the Handle
when inserting it.
Insert the Handle Knob into the left
side hole of Handle Bracket, screwing
tight with another Handle.
· Before using the LEFEET S1, make sure the Handles are tightened with Handle Knob and Remote Control.
· The instructions of this step are only for right-handed users. In fact, the left and right positions of the Remote Control
can be adjusted according to users' habits.
Fig. 5Fig. 4
Front Back

STEP 1.
STEP 2.
Align the track on the Main Unit and
the track hole on the Handle Bracket.
Slide the Handle Bracket onto the Main
Unit along with the track to calibrate
the holes.
Take out two Quick-Disassemble
Screws and fasten them to the Main
Unit (install with coins or similar
items).
3.2 ASSEBLING THE HANDLE BRACKET ONTO THE MAIN UNIT
10
Track
Screw x 2
Track Hole
Fig. 6

11
STEP 1.
STEP 2.
STEP 3.
STEP 4.
STEP 5.
Open the Battery Cover, and insert the battery
into the compartment (Fig. 7).
Carefully align the Battery Pins on the battery,
then fit them together (Fig. 7).
Make sure the Battery Cover is properly
pressed tight, clockwise rotate it 45° to lock
the battery in place.
While anti-clockwise rotate it, the battery will
be unlock (Fig. 8).
Clockwise the Main Unit Cover on the top of
the Main Unit and screw it tight (Fig. 9).
Let the orange arrow which is on the Main Unit
Cover aim at the "OPEN" sign on the Main Unit
and then press, screw clockwise; it represents
locked when the orange arrow aims at "LOCK"
sign and comes out a sound.
Reverse operations to remove the battery.
3.3 INSTALL AND REMOVE THE BATTERY
Clockwise rotate 45° to lock
Anti-clockwise rotate 45° to unlock
Battery Cover
Battery
Main Unit
Fig. 7
Fig. 8
Fig. 9

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STEP 1.
STEP 2.
STEP 3.
Connect the plug pins (a) of Battery Charger with AC power
(100V-240V; Use the power adapter conversion if necessary ).
Fasten the plug pins (b) at the other end of the Battery
Charger to the battery slot and tighten.
The red light of the Battery Charger represent that the battery
is not fully charged, and green indicates that the battery is
fully charged. The charging time is about 2.5 hours.
4.1 HOW TO CHARGE THE LEFEET S1
IV - CHARGING
· Please make sure the battery is fully charged before first use.
· Please make sure the Main Unit is turned off before you remove the battery (see section 3.3).
Battery Battery Charger
In The Charging Fully Charged
Fig. 10
· Please unplug the Battery Charger when it is not charged.
a
b

4.2 HOW TO CHARGE THE REMOTE CONTROL
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STEP 1.
STEP 2.
STEP 3.
STEP 4.
Follow the arrow to rotate the cover on top of the Remote Control to remove it.
Please use 5V/1A power adapter or standard USB charge port to charge(Not provided).
Insert one end of the Remote ControlCharge Cableinto the Remote Control and the other end into the USB port.
When the Remote Control is fully
charged, the light will turn green,
disconnect the Remote Control from
the adapter. The charging time is about
1.5 hours.
After charging, please turn the cover
back and screw it.
· Make sure the Remote Control is turned off befoer charging.
· Do not under any circumstances use the Remote Control while it is charging or connected to the adapter.
Fig. 11

V- HOW TO USE
14
STEP 1.
STEP 2.
STEP 3.
STEP 4.
STEP 5.
Make sure that Trigger Lock is under unlock state
(Trigger can be pressed normally).
* Note: As the battery power is used up, the power of LEFEET
S1 will gradually weaken, and there will be an automatic
speed reduction and speed shift. Even if the device is unable
to be used at high or medium speed setting, this is a normal
condition and should not be cause for worry .
Seperately press the Switch/ Speed Switch Key for
~1s on Remote Control and Main Unit to power on
your LEFEET S1.
Short press one of Switch/ Speed Switch Key of
Remote Control or Main Unit to switch three speed
settings.
(Low , Medium , High ) * .
Press the Trigger to run LEFEET S1, release it down to decelerate and stop .
Operating Time:
30~60 mins (Normal Using)
Press both Switch/ Speed Switch Key on Remote Control and Main Unit for 1 second to power off your LEFEET S1.
5.1 HOW TO USE YOUR LEFEET S1
Trigger Lock
Trigger
Switch/ Speed Switch Key
Fig. 12
If the Main Unit and Remote Control have no response in fifteen minutes, they will be shut down automatic.

15
· The Lost-Prevention Strapis only used to prevent the product from getting out of hand underwater. It is not suitable for
lifting products on shore.
5.2 HOW TO TIE YOUR LOST-PREVENTION STRAP
STEP 1.
STEP 2.
STEP 3.
STEP 4.
Separatethe Lost-Prevention Strapinto section
a and bfrom the buckle (Fig. 13).
Tear off the Hook&Loopin part a and wrap
the smooth side around the wrist. Insert the
Hook&Loopinto thebuckleand press it tightly
(Fig. 14).
Put part b through the hole of Handle Bracket
and fasten it tightly (Fig. 15).
Please press the buckle which connects section
a and b tightly (Fig. 16).
Fig. 13 Fig. 14
Fig. 15 Fig. 16
a
b

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5.3 HOW TO PAIR WITH THE MAIN UNIT AND THE REMOTE CONTROL
STEP 1.
STEP 2.
STEP 3.
STEP 4.
Long press the Remote Switch/Speed Switch Key
on Remote Control for 5 seconds, the white light
will flash quickly, the Remote Control enters pairing
mode.
Long press the Main Unit Switch/Speed Switch Key
on Main Unit for 5 seconds until the white light for
three speed settings flash quickly, the Main Unit
enters pairing mode.
When the three speed settings indicator light on the
Main Unit stops flashing, the propeller will rotate
briefly, the Main Unit and the Remote Control have
been paired successfully.
Short press the Remote Switch/Speed Switch Key
on Remote Control, the white light will stop flash
and turn into green, the Remote Control exits pairing
mode.
The Remote Control and Main Unit are paired by default in factory setting. If not, please follow the steps as below.
· One Remote Control can also be paired with multiple Main Units with above method.
Main Unit Switch/
Speed Switch Key
Remote Switch/
Speed Switch Key
Fig. 17

VI - MAINTENANCE
17
STEP 1.
STEP 2.
STEP 4.
STEP 3.
STEP 5.
Immerse the LEFEET S1 in a container full of clean water (not seawater) for 30 minutes.
Hold the Handles with both hands and turn it on with slow speed for one minute and repeat it for 2~3 times while the product
is completely immersed into water.
Open the cover of the Main Unit, wipe off the water droplets outside the battery compartment, open the Battery Cover when
both hands are dry, taking out the battery.
Dry the Main Unit with a soft, clean, dry cloth.
Place the Main Unit and battery in a cool and ventilated place to dry completely.
In order to maintain good performance, please refer to the following steps for maintenance after each use:

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6.1 CLEAN ISSUES
STEP 1.
STEP 2.
STEP 3.
Rotate the Propeller Cover on the bottom
of LEFEET S1 anticlockwise and pull out the
cover (please be careful of your intensity in
case of damage).
Rotate the propeller to clean the dirt.
Reverse operations after completing the
above step.
You’d better pull out the Propeller Cover for cleaning if the propeller is entangled by other things.
· Please make sure that the power is turned off and the battery is removed before doing the below operations.
· Mind your fingers when you are cleaning the dirt in propeller.
· Please don’t break the propeller while cleaning as it is necessary accessory.
Propeller Cover
Fig. 18