Feature: 1. Smart display and unprecedented VF and CF attack modes to fight off insects and mice.  2. The insect repeller emits 4 different waves, covering your house 360°.  3. Effectively prevent pests from adapting and stimulating the nervous system of pests.  4. It emits powerful ultrasound (20-155KHz) to eliminate pests.  5. No harmful chemicals or poisons, no traps or messy cleaning.  6. Humans cannot hear the ultrasound frequency.  7. Safe for children and pets.  8. Suitable for rooms, shops, offices, warehouses, kitchens, hotels, etc.     Specifications: Project Type: Ultrasonic Insect Repeller;  Material: ABS;  Product size: 13*8*3.5cm/ 5.1*3.2*1.3'';  Color: black / gray / blue;  Voltage: 110V~220V;  Net weight: 130 g / 4.6 ounces;  Rated power: 5W;  Working range: 160㎡;     Package Included: 1 x Insect Repeller