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 work time.
* Simple install.

Specifications of Magnetic Sensor:
Voltage: 3V AAA*2pcs(Not Included)
Stand-by Volume: 100uA
Alarm Volume: 30mA
Frequency: 433MHZ
Alarm Response Time: 200ms
Stand-by Time: 8-12months
Magnetic Sensor Size: Approx.8.5*5.2*1.5cm/3.35*2.05*0.59in

Specifications of Remote Control:
Voltage: 12V 12V27A*1pcs(Included)
Stand-by Volume: 1uA
Working Volume: 15mA
Stand-by Time: 8-24months
Remote Control Distance: 20m/65ft
Remote Control Size: Approx.5.7*2.9*1.0cm/2.24*1.14*0.39in

Package Size: Approx.11.7*7.0*3.9cm/4.61*2.76*1.53in
Package Weight: Approx.86g/3.04oz

Package List:
1 * Magnetic Sensor(batteries not included)
1 * Magnetic Stick
1 * Remote Control
1 * User Manual