Product Features. Repels pests by continuously emitting powerful ultrasonic waves that are completely inaudible to humans and pets. Non-toxic and harmless to humans and pets, it is an alternative to toxic chemicals and dangerous traps. Safe, environmentally friendly and non-toxic, harmless to humans and pets Protects an area of 80-120 square meters with low power consumption, suitable for long time operation. Powerful ultrasonic range to repel pests. Does not interfere with the operation of other electronic devices. Pest control expeller is the most humane pest-free method. Pest types: cockroaches, rats, mice, spiders, mosquitoes, ants, bedbugs, fleas, flies. Specifications: Voltage: 220 (V) Power: 5 (W) Output frequency: 50-60Hz Shell material. ABS Size: 90 * 56 * 50 (mm) Effect range 80-120 square meters Plug style. AU/US/UK/EU plug Package includes: 2 pieces of ultrasonic pest repellents