Wireless Door/Window Contact
> Door/Window sensor, 25-40mm motion distance
> Bi-directional communication
> Up to 700m transmission distance (open space/no interference)
> 3 years battery life
> Tamper switch equipped
> Screw or glue to mount
> ABS plastic
> Bi-directional communication
> Up to 700m transmission distance (open space/no interference)
> 3 years battery life
> Tamper switch equipped
> Screw or glue to mount
> ABS plastic
Technical Specification | |
Name | Wireless door sensor |
Motion distance | 25-40mm |
Alarm prompt | Notification LED light, can be set to switch off |
Wireless Frequency | 433MHz |
Transmit Power | 10dBm |
Transmit Distance | 700m(open area/no interference) |
Tamper | Front cover and rear cover protection |
Power | 1xCR123A battery, 3V 50mA |
Installation Way | Screw and glue |
Dimensions | 84*39*22mm(L*W*H) |
Weight | 0.1kg |
Temperature | -10°C~50°C |
Humidity | < 95% |
Installation | Screw or glue to mount |
Tags: ARD311-W