Mosquito Killer,Bug Zapper,HAUSBELL Mosquito Trap Nontoxic USB Powered Mosquito Killer Lamp Bug Control Inhaler, UL Listed (1 Pack) Safety and eco-friendly with chemical free: no need for toxic mosquito repellent and bug zapper; no smell, no irritants to lungs like sprays, no zapping or buzzing by dangerous electrical shock. 360 degrees all-around suction: flies from any direction attracted by led light will be sucked into removable cage with the built in fan and be dehydrated to death by airflow. Tips: How to Use it to the Best Effect---Make Sure you use it in the dark and closed placeclose the lightswindows and doors) Place it 0.5~1.0 meters above the ground. Turn on it 2-3 hours before going to sleep, and turn off all the lights in the room. Continuously running it for more then one week to kill almost all mosquito inside the room. Clean once in 2-4 weeks (Dont often open the storage box to clean it) Compact and lightweight. Easy to carry and place in living room, kitchen, bedroom, basement, enclosed garage, caf, restaurant, store, office, hospital or an outdoor enclosed space. Help you sleep better. Just turn on the mosquito trap 3 hours before you go to sleep. Virtually silent fan is perfect for baby, toddlers and the pregnant.