Voltage:DC9V-Battery
Loading Current:23mA
Distance:80m(Straight Line Open Space)
Size:165x43x34mm
Pressure-sensitive protective device (atmospheric pressure): Employs atmospheric pressure sensor; when its type-D rubber strip closes on objects, it stops immediately according to the sensitivity setting.
Sensitivity adjustment: Comes with sensitivity adjustment screw to change the response when the door closes on objects.
Voltage monitor: It sends signal sounds when the battery is low in voltage to alert the user to change battery.
Water-resistant: Prevents short circuit and damage to the device.