Feature : Ultra bright led work lamp: Provides Lighting in harsh working conditions. And you can adjust the lighting from 0lm to 700lm. Rechargeable & overcharge protection: It will automatically power off after fully (light on the circuit board opens overcharge protection automatically), USB cable included. Power capacity indicator: You can see the power capacity from the 4-level indicator on the back of the light.Boasts a run to 12-hour brightness at medium level Powerful magnetic forces: 20lb magnet base & 360 swivel. Affix the lightweight worklight to any metal surface or hang it with the hook. Providing multi-angle illumination and hands-free usage. Specifications: Battery: a built-in - battery, 2200mAh : COB Working Voltage: 3.7V Lifespan of LED: more than 10,000 hours Style: B size: 40.5cm : ABS colour: black Package Contents: 1 x COB LED work light Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.