Features: Made of high quality materials, weather resistant and durable. Uses sonic and sonic vibration technology. The repulsion frequency of ultrasonic waves keeps changing and changing, preventing parasites from becoming immune. Non-toxic, chemical-free, safe for humans and pets. Ideal for families , offices, restaurants, hotels, etc. > Power supply: Not certified: CCC Model: Power supply: other Voltage: 110240 < /p> Adjustable VI: Noise Tuning: Yes Lifespan: Material: Acrylic Includes: 1 Rodent Repeller