COB LED Work Light: This work light features an extended light bar that provides up to 10-600 lumens of brightness and can illuminate a large area. Brightness switches allow you to adjust the brightness to your desired intensity. COB technology: It emits light over a wider area, and with lower brightness than traditional LEDs, the larger cooling surface produces less heat. Rechargeable and Durable: This rechargeable work light is powered by a built-in 2200 mAh battery and a micro USB charging cable is included. A powerful work light, low-brightness illumination can reach up to 20 hours and high-brightness is approximately 3.5 hours. The 4 blue LED indicators on the back help monitor the remaining battery charge. Hook and Magnetic Base: The suspension hook and 360-degree rotation of the magnetic base ensure multi-angle illumination. Powerful magnets can secure the LED work light to ferrous metal surfaces such as cars, trucks, and machinery during work or repairs. Durable and reliable: