Specification: Voltage: 5V. Usage: Emergency. Size: 17cm/ 32cm/ 52cm. Protection level: IP65. Power supply mode: Lithium battery USB charging. Power Source: DC. Power: 20W/ 40W/ 60W. Light Source: LED Bulbs. Is Bulbs Included: Yes. Is Batteries Required: Yes. Body Material: PVC. Item name: Long strip emergency light. Lamp beads: 16/28/56. Material: PP. Size: 17cm/ 32cm/ 52cm. Power supply mode: Lithium battery USB charging. Protection level: IP65. Life: 20000 (h). Gear position: 3 gears/3+2 gears. The package includes: 1*LED tube. 2*with magnetic patch. 1*charging cable. This LED emergency light requires no wiring and is suitable for different venues. LED energy-saving lamp beads are energy-saving, energy-saving, money-saving, high luminous efficiency, long life, good color rendering, and good starting performance. The concealed hook is ready to be hung and used, and the translucent ABS lampshade can increase the brightness of the lighting, while obtaining soft light, waterproof, insect-proof and high-temperature resistance. Lithium battery has good safety performance, cyclic charging, and long life. The USB interface is cyclically charged, which is simple and convenient to charge, with a large magnet for sticky and suckable