Product Features: Works by continuously transmitting a powerful series of ultrasonic waves that repel pests and remain completely inaudible to humans and pets. Non-toxic and harmless to humans and pets, an alternative to toxic chemicals and dangerous traps. Protects an area of up to 80-120 square meters per unit. Low power consumption, suitable for long-term operation. Does not affect the operation of radio, television or other electronic devices. Specifications: Easy and convenient to use. Safe, environmentally friendly Non-toxic and harmless to humans and pets Protects an area of up to 80-120 square meters Low power consumption, suitable for long-term operation. Powerful range of ultrasonic waves that repel pests. Does not affect the operation of other electronic devices. The Pest Control Repeller is the most humane way to be pest free. Pest Type: Cockroach, Mouse, Rat, Spider, Mosquito, Ant, Bed Bug, Flea, Fly. Specifications: Voltage: 220(V) Power: 5(W) Output Frequency: 20Hz-45Hz