Feature 1The electronic mosquito repellent can produce ultrasonic waves. The unique ultrasonic affects the mosquito's hearing and nervous system, keeping them away from the area covered by ultrasound. 2Safe and harmless, quiet mosquito repellent. The ultrasonic frequency band it emits is higher than the upper limit of human ear hearing, and it does not cause any harm to people and pets. 3It adopts hook-type design, compact and portable, suitable for indoor and outdoor use. Mainly used for tourism, mountaineering, fishing, reading, camping, sports, gardening. 4This product has a clock function. It is equipped with a small screen that can display the time and mosquito repellent gear, which is very convenient and intuitive when used outdoors. 5The large battery capacity allows it to work for a long time. A full charge can be used for a long time or continuous standby without worrying about battery life.Item Type: Mosquito RepellerMaterial: ABSEffective Range: 5-10Battery: Lithium Battery 100mAh (Delivered with Battery)Frequency: 34Hz-70KHz .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Insect Repellent1 x Charging Cable1 x Manual