Features: 2-in-1 function, mosquito trap and night light mode. Built-in rechargeable 4000mAh battery, Works for 16 hours as a mosquito repellent lamp, 60 hours works as a night light. Harmless to humans and pets. No chemicals, smokeless, no smell. 365nm ultraviolet light wave captures mosquitoes. During operation, the noise is low and does not affect sleep or work. Equipped with a portable handle, easy to carry and store. It can be used in a variety of indoor and outdoor places. Equipped with a brush, easy to disassemble and clean. Specification: Material: ABS Battery: built-in 4000mAh lithium battery (included) Function: photocatalyst trap + electric shock Application area: 50 - 120㎡ Voltage: DC 5V/1A Input power: 5W UV wavelength: 360-400NM Power supply mode: external USB power cord/charging Lamp weight: about 300g / 10.6oz Lamp size: 20.8*10.5cm / 8.2*4.4, 1in Package list: 1 * lamp 1 * USB cable 1 * cleaning brush 1 * user manual Friendly reminder: 1. Let the device run for 2-3 hours before going to bed for better results. 2. When you use the device, the darker the light is. 3. People try not to approach the machine, because people are more easily attracted to mosquitoes than machines. 4. Lace the device 5 to 10 m above the ground.