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 : 110DBAlarm and door bell function for your option.Low energy and long work time.Simple install.Product image interpretation : 4 button of the Remote control, function of the Magnetic Sensor.

Specifications :

Magnetic sensor :Voltage : 3V (2 x AAA battery)Stand-by Volume : 100μAAlarm volume : 30mAFrequency : 433MHZAlarm response time : 200msStand-by time : 8-12 months

Remote control :

Voltage: 12V (1 x 12V27A)Stand-by Volume : 1μAWorking volume : 15MAStand-by time : 8-24 monthsRemote control distance : 20m

Magnetic Sensor size (L x W x H) : 85 x 43×17mmMagnetic Stick size (L x W x H) : 45 x 10 x 14mmRemote control (L x W x H) : 60 x 30 x 11mm

Package includes :

1 x Magnetic Sensor (Batteries not included)2 x Remote control1 x Magnetic Stick1 x User manual