Do not add DEET, use more at ease Smokeless, ashless and tasteless, no soot is produced during use, more environmentally friendly, tasteless and non-irritating Long-lasting mosquito repellent, each bottle can be used for 300 hours to enjoy a peaceful sleep for 30 nights Wide range, effective within 15 square meters, mosquito repellent, available in living room/room. Specifications: specification Product features: long-lasting mosquito repellent, no DEET added Core ingredient: cyfluthrin Product specifications: 45ML/bottle How to use: Rotate the electric mosquito coil liquid into the heater, insert it into the socket vertically, and then press the switch of the electric mosquito coil. Package Included: 10*mosquito coil