Door/Window Contact  C4

This contact can be installed on doors, windows, and any other objects that can be open and close.

Specification

Power Supply ：2 x CR2470 3V battery
Static Current <5 uA
Alarm Current <9 mA
Transmitting Distance <80 m (open area/no interference)
Radio Frequency ：315 MHz or 433.92 MHz
Housing Material ：ABS Plastic
Operating Condition Temperature 0°C~+55°C
Relative Humidity <80% (non-condensing)
Transmitter Dimensions： 71 x 34 x 17.5mm (L x W x H)
Magnet Dimensions： 51 x 12 x 13.5 mm (L x W x H )