Specification:
Operating voltage:1.8V-5V
Backup rechargeable lithium battery:3.7V(300mAh)
Backup battery lifetime:3 years after full charged
Backup battery full charged time by solar panel:70 hours(normal illumination)
Power consumption:≤10mw
Solar panel output voltage and current(200LUX in door):5.5V,60uA
Solar panel output voltage and current(6000LUX in the sun):7.5V,5mA
Solar panel output current:5mA
Operating frequency:433.92MHZ
Wireless range:1000FT (in the open air)