The XTRA Long Thin Light features an ultra-thin design pivots to allow inspection in the tightest work areas, (16) SMD LED bulbs with (2) brightness settings - 400 lumens (high), 200 lumens (low), (1) SMD LED bulb top light offers an additional flashlight function - 30 lumens, a 3.7V 4000mAh lithium-ion rechargeable battery for longer life and consistent power, a battery power level indicator, a super strong magnetic base sticks to steel surfaces and a tough, impact resistant ergonomic housing with anodized aluminum wand. The versatile 3-in-1 charging system features charge from 120V AC with included wall power plug, charge from 12V DC with included vehicle power plug and charge from USB charging port with included USB cord.