To meet the demand of railway, electric, police, oil field mine company for outdoor movable light , we design and develop the high-brightness long range light SQ2210 which can work as emergency light for work spot needing high-brightness light. Features:Range : Good focus, high-brightness, 1000m rangeHigh Efficiency and Energy Saving: Long life and energy saving of Siemens twin filament and halogen bulb; Applying to various track and fingerprint photo-taking; 2h continuous working time under intense condition ; no less than 3h continuous working time under intense condition .Reliability and Endurance: Aviation specialized Li-Cd battery: high capacity, no memory, no pollution ,low self-discharge. Deposing half a year ,capacity will be no less than 90% of full capacity after one time recharge and no less than 70% of full capacity in two years.Waterproof airproof design; capable of working in the rainstormFlexibility: Optional with intense and operation light , portable ,handheld and shoulder-carried