Features: It has three modes of strong light, general light, and burst flashing to meet the lighting needs of different occasions. Convenient USB charging interfaces allows you to charging the lamp anytimes, anywheres without worrying about power outages. Sustainable lighting for 2 hours in strong light mode, providing stable support for emergencies situations. Make of PC, it has excellent transparency and waterproof performances, suitable for use in various environments. The hidden hook and magnet designs make it easy to hangs the lamp in any desired position, making it convenient and practical. Specifications: Component: PC Length: 17cm/32cm/52cm 17cm Size: about 170x40x20mm/6.69x1.57x0.79inch 32cm Size: about 320x40x20mm/12.6x1.57x0.79inch 52cm Size: about 520x40x20mm/20.47x1.57x0.79inch 17cm model: 400mA, 19 lamp beads 32cm model: 800mA, 32 lamp beads 52cm model: 1200mA, 50 lamp beads Color temperature: white color light 6500K Three levels: strong light, normal light, flashing Bright light battery life: 2 hours Charging interfaces: USB Package Includes: 1Pc LED emergencies Light Tube 2PCS Magnetic Spacers 1Pc Charging Cable note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.