Newest CHIP TECHNOLOGY: Ultrasonic pest repeller adopts the latest chip to repels bugs by emitting an ultrasonic wave of different frequencies. Such as mosquitoes, spiders, cockroaches, mice, fleas, etc, The dual ultrasonic work simultaneously to disorientation ate the hearing and nervous system of pests to drive them away from your home. Whats more, this pest repellent wont kill the pests. KEEP HUMANS & PETS SAFE: We used advanced Ultra-quiet design, and the ultrasonic frequency is only available to pests, such as mice. Humans and pets wont hear anything. But if you keep a hamster as a pet in your home, do not use this pest control repeller. WIDE EFFECTIVE COVERAGE: The pest repeller can be used in different places such as house, office, hotel, warehouse, and so on, which is effective for an area up to 150 sq. With Light-sensing LED Night Light: Intelligent light control, automatically turn off during the day and turn on automatically at night, bringing a ray of light to the long night. HIGH COST-EFFECTIVE: It only costs 0.144 Kwh if it works for 24 hours, Compared with the expensive exterminating company, it will help you save money and time, and long-lasting way to repel pest and mice. EASY TO USE: Just plug the pest control repellent into the socket. Please make sure to install it vertically 10-40 incn away from the floor. And make sure there are no barriers like curtains or cabinets covering in front of the repellent. Specification Material: ABS; Rated Power: 5-8w; Rated Voltage: 110-220V; Effective Range: 150; Product Size: 56.3 x 55.8 x 110mm/2.22 x 2.21 x 4.41'; Product Weight: 0.12kg. Package Included 1 x Ultrasonic Pest Repeller.