... :186g 4.LED Power : 3W 3w 150lm cree professional battery led flashlightMode: SHFL-004 Product Table spec.LED efficiency:3w ... shock and vibration4.Safety: Compact, dust-proof and waterproof, the battery is auto-protected if it is over charged or discharged5 ... bulbs and no any maintenance cost)7.Environment consideration: Lithium battery, green, and environment protected, no memory, and low possibility ...