【SAFE FOR PEOPLE/PETS】This ultrasonic mosquito repellent is safe for humans and our lovely pets like dogs and cats. leaves no dead or annoying insects or rodents to deal with. Provides the ideal alternative to harmful and dangerous chemicals, poisons and traps. 【ULTRASONIC FREQUENCY CONVERSION TECHNOLOGY】The newly released to level in is equipped with a bionic ultrasound chip. By emitting bionic ultrasound, it precisely stimulates the central nervous system, the auditory system and the olfactory sensitivity of the pest, and accelerates its escape. Economical, safe and professional. 【SIMPLE AND CONVENIENT】 The mosquito repellent is easy to carry and install. Our mosquito repellent comes with a keychain and can be used both indoors and outdoors. Up to seven days of use, perfect for outdoor travel, fishing, camping and more. 【INDOOR AND OUTDOOR MOSQUITO REPELLENT】This mosquito repellent diffuser Mosquitoes is made of high quality ABS flame retardant material and consumes less than 5W.