Features: 1. Three waves drive: Simulated biological wave+ultrasonic wave+electromagnetic wave, effectively drive mosquitoes, rats and insects. 2. Physical pest repellent, high efficient, eco-friendly, non-toxic and healthy for people and pet to use. No noise design, you don't have to worry about it will disturb your rest. 3. 4d ultrasonic horn design, 360° full direction attack to pest, better mosquitoes killing effect. 4. Easy to use: with the one switch button design, just press to start work, fast and convenient to use. 5. Effective coverage area up to 150㎡, perfect for use in home, dinning room, kitchen, office, warehouse, restaurant. Specification: Condition:100% Brand New Material: ABS Color: As Pictures Shown Plug Type: US Plug, EU Plug, UK Plug, AU Plug(optional) Size: approx.10.6*6.2*5.7cm/4.2*2.4*2.2in Weight: Approx.94g/3.3oz Package list: 1 * Ultrasonic Mice Repeller 1、Three waves drive: Simulated biological wave+ultrasonic wave+electromagnetic wave, effectively drive mosquitoes, rats and insects. 2、Physical pest repellent, high efficient, eco-friendly, non-toxic and healthy for people and pet to use. No noise design, you don't have to worry about it will disturb your rest. 3、4d ultrasonic horn design, 360° full direction attack to pest, better mosquitoes killing effect. 4、Easy to use: with the one switch button design, just press to start work, fast and convenient to use. 5、Effective coverage area up to 150㎡, perfect for use in home, dinning room, kitchen, office, warehouse, restaurant.