Feature : Explosion-proof Authorized by national authoritative organization , the highest explosion-proof rank, we produce it according to national explosion-poof standard. it is superior to other products by its explosion-proof and anti-static characteristics. It is capable of working under inflammable and explosive condition (including environments of H, C2H2, CH4 and other blending gas) Energy Saving Applying German Siemens halogen bulb; long life time, low-consuming and energy saving . Soft spot light, 1500lm of intense light; 600m light range ;3.5H continuous discharge time Stable Quality High-capacity , no memory ,environmental and stable discharging battery; Depositng half a year ,capacity will be no less than 85% of full capacity after one time recharge and no less than 60% of full capacity in two years. Waterproof portable ,handheld and shoulder-carryed; applying light adjustable pulse techniques, adjustable focus; beautiful appearance, compact size and light weight. Intelligent Protection Inside low-voltage protection and error-proof operation system; automatically locking the switch while not in use and automatically open the back cover while in use