Mosquito Killer Machine, Mosquito Killer Lamp USB Smart Optically Controlled Insect Killing Lamp Use For bedroom Indoor and Outdoor Home, Office, Garden USB Powered (1 Pc) Description :-  Suitable to be used in bedroom, kitchen, living room and other outdoor activities. This lamp is powered by USB cable. Adopted quality material, this mosquito killer lamp has long service life. The lamp in small size and lightweight is easy to carry around. Use the fan vortex to inhale the mosquito and make them impossible to escape, without any harmless, non-toxic chemical composition. Users tips The mosquito trap killer in the bedroom must be opened in advance(at least 3 hours). Do not turn it on until bedtime. The effect is better in uninhabited environment, because people’s body temperature and smell are more attractive to mosquitoes. This product uses the physical way to kill mosquitoes, it can't kill a mosquito when just turning it on. Do not open the bottom tray immediately in the morning because the mosquitoes trapped inside the tray may fly out. Keep it running for 2 more hours so that the mosquitoes suffocate to death. For the trap to work efficiently it should be placed far away from the fan and the room should be kept as dark as possible.  Dimension :- Volu. Weight (Gm) :- 686 Product Weight (Gm) :- 346 Ship Weight (Gm) :- 686 Length (Cm) :- 13 Breadth (Cm) :- 13 Height (Cm) :- 20