COB Work Light USB Charging Hook Emergency Flashlight Maintenance Lamp, Style: W599B Large 1. Material: ABS, Nylon 2. Charging voltage: 5V 3. Battery capacity: 2200mAh 4. Charging time: about 3h 5. Use time: about 3-4h 6. Charging interface: USB 7. Lamp beads: W598A: T6 dome light + 8 COB main lights + 12 2835 red and blue lights, W599A: T6 dome light + 10 COB main lights + 14 2835 red and blue lights, W598BW599B: T6 dome light + 28 2835 main lights Light + 10 2835 red and blue 8. Dimensions: W598AW598B: Approx. 11.5 x 5 x 3.9cm, W599AW599B: Approx. 12.5 x 6 x 4.2cm Features: 1. 4-speed switching, top light strong light main light strong light, weak light, red and blue flashing 2. The lamp head is adjustable from 0 to 180 degrees, the card position is firm, and it is convenient to control the lighting angle 3. The tail has a magnetic block, which can be adsorbed on the steel surface and is easy to use 4. With hook design, easy to hang and use 5. With standard 14 screw, it can be connected to tripods and fishing racks 6. USB charging interface, with dustproof and waterproof cover design 7. 4-grid battery display, keep abreast of battery usage 8. IPX6 waterproof level, can also be used in rainy days