User Manual
V1.0.20
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5.3.3.2 Door Sensor B
Battery specification: CR2032 1
Quiet current: 8 A
Alarm current: 15mA
Working temperature: 14 ~122 (-10 ~ +50 )
Relative humidity: 95% (no condensation)
Wireless parameters: 433MHz, eV1527
Product Size: 49 26 12mm (large)
35
12.5 12mm (small)
5.4 Doorbell
5.4.1 Features
(1)
Two installation methods: support glue and screw fixation.
(2)
No standby power consumption.
(3) Using DC12V power supply, higher transmitting power, longer wireless distance.
5.4.2 Install/Replace Battery
(1) Hold the lower cover tightly with your left hand, open the upper cover with your right hand, and then
open it upwards along the bottom of the upper cover, as shown in the figure below:
(2)
Disassembling is complete, install battery.










