This double beams solar powered detector is widely applied in home, school, and office areas for burglary proof purpose. Functions and Specification: 1.It is a solar-powered ct and should be installed at place with sunlight intensity more than 2200lux. 2.It is double beams or infrared detectors working by pairs of transmitter and receiver. 3.Irradiation distance:10m 4.mitting distance:100m 5.ency:433MHz 6.Maximum alarm times in 24 hours:<=50times 7.Infrared light beam 2 beams 8.Battery capacity: transmitting terminal: 500mA, receiving terminal: 500mA 9.Working temperature: -30â~70â 10.Working voltage:3.3V 11.Power storage type: LiFePO4 Battery 12.Static working current: transmitting terminal<=0.4mA, receiving terminal<=0.4mA 13.Infrared light frequency: secondary modulation & encoding based on 38KHz 14.Infrared light wave-length: 940nm+/-20nm 15.Output current of solar panel: Under the condition of 1600Lux lighting >=1mA (Outdoor illumination in ordinary rainy or cloudy days is about 2000Lux) 16.Dimension:170*110*57mm 17.Diameter of infrared light hole: 25mm 18.Distance between two infrared light hole: 65mm 19.Solar panel dimension:81mm*81mm