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 :DC 3V (CR2032 lithium battery x 2pcs)
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 31.5 x 15 mm (L x W x H)
Magnet Dimensions: 71 x 12.5 x 15 mm (L x W x H