Characteristic: Made of premium material, it is weatherproof and durable to use. Using sound wave and vibration technology. Repulsive ultrasonic frequencies constantly vary and alternate, preventing pests from becoming immune. Non-toxic, chemical-free, it is harmless to humans and animals. Ideal for home, office, restaurant, hotel, etc. Specification: Material: ABS + electronic component Rated voltage: 90-250V/50-60Hz Rated power: 3-9W Electromagnetic frequency range: 0.8-8Hz Plug type: EU/US/UK plug Power Source: None Certification: CCC– Model number: — Power: Other– Voltage: 110-240V Is dimmable: No is_custom: Yes Lifespan: — Material: Acrylic includes:1 x Pest Control Rat Repellent.