Wanqueen Electronic Bug Zapper, Indoor Hangable Mosquito Killer Fly Trap with HoWORKING PRINCIPLE - This mosquito killer working by a physical way, adopt UV bulb to attracts all flying insects, and then the high-voltage grids will immediately electrocute mosquitoes upon contact. ENVIRONMENTAL FRIENDLY - The bug zapper is non-chemical volatilization principle, non-toxic, non-radiative, green and safe for human beings, especially for babies and pregnant women, so it can't take effect immediately like mosquito-repellent incense. Please use it patiently! WIDE COVERAGE - The pest killer lamp is great for any room, living room, dining room, kitchen, bedroom, office and all the closed spaces. Due to its size the effective coverage is about 30 square meters. EASY SETUP & CLEAN: Hang our electronic indoor insect killer to hooks, or simply set it down on a solid surface. Dead insects get collected at the tray of insect catcher killer. Then their dead bodies can be effortlessly removed and cleaned. EFFECTIVE USE METHOD - It is more effective in unmanned and dark environment, so please turn off the light in your room at night for 10-20 minutes and then turn on the bug zapper. When using in the room, please close the door and windows, and open the mosquito killer at least 3 hours before you enter into the room. 1.No chemicals, no radiation, safe for humans and pets. 2.Widely used, whether it is home, warehouse, kitchen, basement, restaurants, shops or garages. 3.The effective area of this product is 30 square meters with correct using. 1.Plug it into an electric socket before switch on the light or switch off all the strong lights for 20-30 minutes. 2.Please hang the pest-killer lamp at a height of 0.8-1.2 meters and keep 0.30 meters away from the wall. 3.To keep the effect, please clean the dead mosquitos in the metal net timely. 1.Do not touch the electrical wed with hand or electricity conducting materials. 2.The insect killer must be placed at least one meter away from the flammable substance such as gasoline and petroleum. 3.Moisture can damage and short-circuit this electrical appliance.High Voltage! Keep it away from children and pets. Payment DetailsWe currently accept payment via PayPal only. Once payment is cleared, we will dispatch your shipment within 1-3 business days. Please refer to the "Shipping" tab for more information regarding shipping speed to your destination.Return PolicyAs our valued customer, we will do our best to make sure the product you receive arrives to you on time and as expected. If you are not satisfied with your purchase, please contact us within 30 days of receiving your order to process a return.