Widely use and waterproof - You can use the work light on many situation like camping, hiking, car repairing. It is a good emergency light choice, the floodlight comes with a handle and has waterproof design, so you can easily use it in outdoor. Rechargeable and power supply - The work lamp package contains 2 rechargeable batteries, you can use AC/DC adapter, computer, power bank, car charger and anything with matched USB port to charge it, it also can be an emergency power supply for phone. 3 modes and portable - Strong light , weak light and flash mode, you can switch as your need, the working light has a 180 degree adjustable handle, you can use it as a stander or hanger, portable and hand free. Bright and energy saving - The working lamp is 30W, 1500 lumen. built in COB LED bulb has better performance than traditional bulb. Long working life and working time - It takes 3 hours to fully charge the work light, and can keep working 5 hours in weak light mode, 4 hours in strong light mode. It can work about 1000,00 hours in a good working environment.