Wireless Door Contact Sensor Switch, Wireless Metal Door Window Magnetic Contact Sensor Detector Switch Alarm Rolling Door Contact Magnetic Reed Switch Alarm for Home Garage Alarm Security

It is usually installed in exterior opening doors or windows that are reachable from the ground(or from another part of a building which is accessible from the ground- such as a garage)

1.   Operating voltage: DC=12V-8.4V (Built-in A23 DC=12V battery)

2.     Emission Frequency 315Mhz/433Mhz(Optional)

3.     Standby current: I1≤20μA

4.     Emission current: I2≤15mA

5.     Emission time: T≥1 sec

6.     Emission distance: Transmitting distance without block≥300m; distance of GAP<15mm

7.     Operating temperature: -10°C-50°C

8.     Operating humidity: ≤90%