1.Power Supply: Solar Cell(monocrystalline silicon )2.5V/120MA 2.Power storage: NI-MH Battery 1.2V/800MAH 3.Working Time: Under the normal light intensity,it can work over 72h when it basked for 8h. 4.Aluminum alloy body with high resist compression >10 tons 5 Display: bright anti-fog LED, color can be customized 6.working mode: flashing (2Hz + 20%) and steady light 7.Luminance:front light < 500Lux 8.View distance: > 500m 9.Work Life: > 3 years. 10.Work temperature: -20+70 degree centigrade 11.Waterproof : IP68