Door magnetic contact wireless solar-powered indoor usage
No need to change battery within 2-5 years.
Very low standby current consumption
FSK with hopping frequency wireless transmitting and no false alarm
With self check and fault report function.
Enroll contact to alarm host see alarm installation video
solar panel: 5V
working current: <=0.01mA
Frequency: 433MHz with hopping frequency
backup battery: 3.6V 2000mAh lithium battery
wireless transmission distance: 300 m at open area
Working temperature: -30~70C