Features:
One magnetic sensor can match with at most 8 remote controllers freely
One remote controller could control several magnetic sensors
Excellent home use product, tiny and fashion
Volume: 110db
Alarm and door bell function for your option
Low energy and long working time
Easy to install
Remote control: 20m

Specifications:
magnetic sensor: 
Voltage: 3V AAA*2pcs 
Stand by volume:100μA
Working volume:30mA
Frequency: 433MHz
Alarm respond time: 200ms
Stand by time: 8-12months

Remote controller
Voltage: 12V 
Stand by volume:1μA
Working volume:15mA
Remote control distance: 20m
Stand by time: 8-24 months

Size: 
magnetic sensor: 85mm*42mm*17mm
Remote controller: 60mm*30mm*11mm
Magnetic stick: 85mm*10mm*14mm

Package Includes:
3*magnetic sensor(battery is not included)
3*Magnetic stick
1* remote control

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