This is a necessary work light in your toolbox. You can call it as a work light, but it is not only a work light. It can help you do your task in a dark location. You can use it for camping, car repairing, travelling, home using, blackout and emergency This work light is only 3W energy consumption and operated by 3 AAA batteries (not included). The full power batteries can provide 12 hrs continuous illumination, and you can carry some spare batteries with you in case that there is no power supply to charge. The work light has a portable appearance, it is designed in a compact size that you can easily carry it in your pocket and toolbox. The powerful COB chip can provide 200 lumens brightness, 120 ° floodlight and up to 16ft irradiate distance, which is ultra-bright and can cover a wide area. The light combines strong magnetic base, 360° hanging hook and 5-grade 180° folding. It can make the light can stick to the metallic surface or hang on any place, which is convenient for hands-free operation. Besides, the lifespan of LED is 100,000 hrs. It is 3 times longer than other LED work lights. You can use it for decades of years without changing bulbs.