Cheap home security intruder detectors wireless Magnetic door/ window sensor

home security
Power supply:
DC 1.5V (AA 1.5V LR6 Battery x 1 pc)
Static current:
≤35mA
Alarm current:
≤10mA
Transmitting distance:
≤80m (in open area)
Radio frequency:
315MHz
Material:
ABS plastic
Operation temperature:
-10°C~55°C
Relative humidity:
≤80%(non-condensing)
Transmitter dimensions:
71 x 34 x 17.5mm
Magnet dimensions:
51 x 12 x 13.5mm

Cheap home security intruder detectors wireless Magnetic door/ window sensor for Chuango GSM Alarm System G5/ B11/ G3

Note: can only work for Chuango Alarm System