Professional COB LED Emergency Flashlight Rechargeable Work Light Inspection Lamp Portable Camping Lantern | Portable Spotlights (37.5cm*3.5cm*3cm) ◀[ADJUSTABLE BRIGHTNESS:] Features a unique rotary switch; the super bright COB work light provides 0-20000 lumens of brightness, adjustable from low to high according to your needs. ◀[USB RECHARGEABLE & ENERGY EFFICIENT:] Built-in rechargeable battery, the LED work lights can be charged from any USB outlet with the included USB charging cable. Plus, the 2200mAh light lasts for approximately 13 hours of working time at 50% power, or about 3.5 hours at full power. The work light's duration depends on the light's brightness. ◀[360° ROTATION:] The bottom bracket of the handy inspection lamp can be rotated 360°, suitable for multi-angle lighting. ◀[MAGNETIC BASE & PORTABLE HOOK:] Equipped with a strong magnet at the base and a hook at the top, these lightweight work lights completely free your hands when you're busy working. ◀[WIDE APPLICATION:] The water-resistant USB work light can be used for both indoor and outdoor activities. Such as: car repair, night reading, power outages, camping, travel, workshops, emergencies, etc.