1.Power Supply:Solar Cell(monocrystalline silicon )2V/60MA 2.Power storage:NI-MH Battery 1.2V/300MAH 3.Working Time:Under the normal light intensity,it can work over 72h when it basked for 8h. 4.PC plastic body with high resist compression >10 tons 5 Display: bright anti-fog LED, color can be customized 6.working mode: 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