Specifications: Matetial: ABS Charge Way: Solar Power/ DC Interface Charge Environment Temperature: 0°-50° Discharge Environment  Temperature: -10°-50° LRD: 6 red lights, 1000 meter visible Solar Panel : 5V, 80mA, polysilicon Charging Time: 6-8 hours General Sound: 129 dB (100 meter listening clear)  Waterproof Level: IP65 Sensing Distance:5-8 meters affected by ambient temperature  Sensing Angle: transverse 125° Battery Parameter: 3.7V, 400mah full capacity polymer lithium battery  Working Time: sensing 45 seconds or so,  sound and light alarm > 300 times, once charged, it can stand by for more than 50 days Package Weight: 170g/6.0oz Package Size: 107*70*70mm/4.2*2.8*2.8in Packing List: 1*Alarming Lamp 1*Insruction 2*Screw 2*Plug