
5
1. Indoor temperature/trend                             2. Indoor humidity
3. Outdoor temperature/trend                         4. Outdoor humidity
5. Animated weather forecast                           6. Clock time
7. Wireless transmitter channel                        8. Battery compartment cover 
9. Hole for hanging 
10-17-18-19: Adjustment buttons: alarm, memory/down, Channel/up, set
11. Calendar                                                             12. Channel selector
13. Rope and hook hole                                      14. Sensor
15. Max/min records for temperature and humidity
16. foldable stand( unfold for table placement)                       20. Backlight/snooze button
Installation
Open the battery compartment cover. Insert 2 x AAA batteries to the main unit, and insert 2 x 
AA batteries to the transmitter according to the correct polarity showed in the compartment. 
(Batteries are included)
We recommend use high quality alkaline for the best product performance. Heavy duty or 
rechargeable batteries are not recommended. The display will off in case of battery power 
exhausted. (Fresh battery using life time: 6month for main unit, 12month for outdoor wireless 
transmitter, reference only, not warranty)
Receive signal from outdoor wireless transmitter
The main unit can detect and receive the outdoor temperature and humidity wireless signal 
from transmitter automatically after power setting ready. There will take 3 minutes maximum 
for signal searching. The wireless symbol(nearby channel on display)            will flash on 
display during searching, and becomes stable after get the signal. If there is no available 
signal be received, the wireless symbol will be disappeared after 3 minutes, and outdoor 
temperature and humidity data will show “ - - “ on display. In case you need reconnect the 
wireless signal, please press and hold the up button 3 seconds.
Placement and important notes:
1. The main unit are able to work and connect with 3 outdoor wireless transmitters maximum. 
Open up the battery door of outdoor wireless transmitter can see and adjust the 
channel(include 3 channels). it requires to set up at same channel with main unit for signal 
receiving. For example, you select channel 1 at wireless transmitter, then the channel display 
of main unit should show CH1 for connection. Press the up button on rear panel of main unit 
can adjust the channel number and check the outdoor data between CH1-3 on display. You 
can take the same mothed to connect other wireless transmitter, but please set it in different 
channels. Only one wireless transmitter include in the package. 
2. please use and put main unit or transmitter device 1.5~2 meters away from interference 
source like computer monitors or TV sets. Please also place the main unit stand up far away 
with metal window frames. 
3. Please do not use other electronic products such as headphones or speakers operating at 
the same signal frequency (433.92MHz), which may cause interference. Your neighbors use 
electronic devices operating on the same signal frequency (433.92MHz) can also cause 
interference.
4. To ensure accurate temperature measurement, place the device in a dry area, free of dirt 
and dust. Place out of direct sunlight and away from heat sources or vents.
5. You can install the wireless transmitter outdoor. For better accuracy of using, please place 
the sensor lengthwise/ standing up 1.5~2 meters at least away from the ground with enough 
air flowing and protection without rainy. Please do not expose the sensor to direct sunlight 
for a long time.