Wanqueen 2020 Upgrade Bug Zapper Indoor Insect Mosquito Fly Killer 16W UV Lamp-1[ Working Principle ] This insect killer is used black light to attracts all pesky flying insects into the fly zapper. The high- voltage grids will immediately electrocute mosquitoes upon contact by physical way. [ Special Designed ] The bug zapper series have thin and modem style, high efficiency and safety, with non-clogging killing grid non-rust, cracked or fade surface. The special designed black light tube (ultra violet rays) is completely harmless to human bodies and pets. Outer mesh protects human from touching the high tension grid. [ Better for Darkness and Unmanned Conditions ] Please turn off all the lights of the room to provide a dark environment for best effect. Please turn on the mosquito killer 2-3 hours before going to bed. Don't place the lamp anyw near you, for yourself are more attracted to the mosquitoes than the lamp is. [ Safe and Chemical-Free ] This mosquito zapper is non-chemical, which cannot kill mosquitoes immediately like insecticides, mosquito repellent incense and electronic mosquito swatter, etc. It kill mosquitoes in a physical way, which is totally non- toxic, odorless, and radiation-free, so please be patient while using it. [ Indoor Use Only ] The mosquito killer is suitable for various indoor locations such as houses, factories, food shops, butcher's storage, hospitals and all the closed spaces. This bug zapper is not suitable for use in barns, stables and similar locations and even not to be used in locations w flammable vapors or explosive dust is likely to exist. Hang or mount the appliance on a place w children can't reach. Electric Bug Zapper, Mosquito Killer Lamp, Insect Fly Trap Pest Control with LED UV Light, 16W Studies have shown that the principle of mosquito bite is mainly due to phototaxis, temperature and smell. The insect killer lamp adopts black light tube (ultra violet rays) to attract mosquitoes, and the temperature of the light is also what mosquitoes like. No chemicals involved in it, no fumes, no smell, no sprays, no mess and pollution free. Scientific and environmental to control mosquitoes. Packing Accessories: Insect Killer Lamp 1 piece， Instruction Book 1 pieceProduct Parameter： Size: 35cm * 7cm * 26. 2cm Rated Power: 8W * 2 Tubos Input: 110V-127V 50/60Hz Using Method：1.Turn off all the lights to provide a dark environment for best effect. 2.Place it 1.5-2 meters above the ground and on condition that t are no people around for best catch results. (Yourself are more attracted to the mosquitoes than the lamp is. ) 3.Please turn on the mosquito killer 2-3 hours before you enter in the room. (Keep working continuously for more than 12 hours when used the first time for best effect. ) Note：1.Please avoid other light interference and avoid strong winds blowing directly to the machine while using this machine. 2.Do not spray insecticide into the machine. 3.Do not get close to the machine for a long time while it is working. 4.Do not put the mobile phone or metal into wind cover grille. 5.If the power supply or fan is damaged, please be sure to get it repaired or changed by a professional in order to avoid risks. 6.Unplug the power plug when not in use for a long time. 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.