feature Physically kill mosquitoes Non-toxic, non-polluting and harmless to health. Can be used anywhere bedroom, living room, garden, Office, hotel, restaurant, farmhouse, etc. Package Included: 1 x USB Mosquito Killer Lamp (without plug) Types 1. Rechargeable how to use 1. When the mosquito killer lamp is working, turn off other light sources in the room. The darker the light, the better. 2. It is best to put the mosquito killer in a dark and airtight room 2-3 hours before going to bed. Specifications: feature: Light wave: 362nm purple light Product specification: input 5v=5w & Light mosquito trap, silent and radiation-free, safe and efficient, Portable, portable mini, both mother and baby can use, Mosquito suction on a large area, energy saving, soft and clean. & with battery model: 2000mAh takes 3-4 hours to fully charge (depending on the power of the charging socket), After fully charged, it can be used continuously for 8 hours, 365nm light wave can effectively kill mosquitoes, and the battery life is longer. Make your outdoor camping more comfortable & two colors available (grey/green) Note: plug/charging model Package Included: 1* Mosquito Killer Lamp