Professional COB LED Emergency Flashlight Torch Rechargeable Work Light Inspection Light Portable Camping Lantern|Portable Spotlights(37.5cm*3.5cm*3cm) ◀[BRIGHTNESS ADJUSTABLE:] Features unique rotary switch, super bright COB work light provides 0-20000 lumen of brightness, can be adjusted from low brightness to high brightness according to your different needs. ◀[USB RECHARGEABLE & ENERGY EFFICIENT:] Built-in rechargeable battery, the LED work lights can be charged from any USB outlet with included USB charging cable. Besides, 2200mAh light lasts about 13 hour work time at 50% power, about 3.5 hrs at full power. The length of work time of the work lamp is related to the brightness of the light. ◀[360°ROTATION:] The bottom bracket of the handy inspection light can be rotated 360°, suitable for multi-angle illumination. ◀[MAGNETIC BASE & PORTABLE HOOK:] Equipped with strong magnet at the bottom and hook at the top of the lightweight working lights, totally free your hands when you are busy doing something with your hands. ◀[WIDE APPLICATION:] water resistant USB work light can be used for both indoor and outdoor activities. Such as: car repairing, night reading, power outages, camping, traveling, workshop, emergency etc.