... life, low noise 3.Wide range usage 4.Smooth and quiet operation 5.High accuracy control Sell Small DC And AC ... hand operated torch,cellphone charger,etc.. 2)function:Mountain climbing and hiking, camping such outdoor sports; Blackouts, earthquake, flood, ... ISO 9001:2000 certification 8) appearance: Bright surface gloss and attractive designs 9)merit:Environmental protection, energy saving, lighting ...