Features Introduction
a. Receivers: Plug-in/ Battery-operated types; With LED indicator, music control
and volume control button. Plug-in type requires no battery;Battery type needs
3 AAA batteries, with wall-Mounted design.
b. Transmitter (door sensor): One 1.5 V AA battery is required; With LED
indicator; can be fixed by sticker tape or screws.
c. Easy settings, installation and usage. Only need 2 buttons in receiver to match
sensors, change melody or clear settings in 10 seconds.
d. 52 optional melodies, 4-level adjustable volume (30-110dB)
e. 120m working range (open air), low power consumption
f. Receiver can work with extra sensors or doorbell buttons; and each sensor can
be set into different melodies to distinguish them by users themselves.
How It Works
Install two parts of door sensor separately on the door edge and frame to keep
them in a line and no gap.When door is opened and two parts of sensor split
more than 1.5 cm, there will be a signal to be sent to Receiver and Receiver will
play ring tone you choose and LED lights flash as a visual reminder.
10 sensors or buttons at most can be paired with same receiver; distinct or same
ring tone can be set for them.
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