Ultrasonic Repellent, Improved Electronic Outdoor and Indoor Repeller for Fleas, Insects, Mosquitoes, Spiders, Ants, Rats, Cockroaches, Insects, Non-Toxic. SpecificationItem Type: Pest Repeller;Material: ABS;Color: Black;Plug: US/EU/UK Plug (Optional) .Weight: Approx.93g/3.3oz;Power supply: AC110-230V;Rated Power: 5~8W;Acoustic Frequency: 22KHZ-85KHZ;Acoustic Waves Varieties: Ultrasonic, electromagnetic waves;Speaker Type: 2 buzzers;Coverage Area: 150; Product Features: Full frequency band dynamic cross frequency conversion technology. Gets Rid of Pests With continuous use, this new Ultrasonic Pest Repeller will greatly reduce pest activity in two weeks and finally eliminate all pests in 3-4 weeks. It won't kill pests, but rather drives them away, making it good for your home environment. Easy InstallationJust plug into the socket, press once to make a beep, and the green light flashes twice. The system self-checks, and the green breath light is on with a beep, and the system starts to work. Long press to shut down. It is recommended to install the devices 30-70 inches from the floor. Worry-free use This non-toxic electronic pest control with no noise, radiation or odor is safe to use near children, pregnant women and pets, 100% environmentally friendly and effective. Wide effective coverage This insect repellent is widely used in kitchen, living room, bedroom, bathroom, warehouse and basement, etc. The coverage range is up to 0 ~ 150 . Ultrasound cannot travel through walls, so a pest repellent for each room will work more effectively. Note: It is normal for the exotic pest repellent to have more pests in the first week, and the pests will disappear significantly after 3-4 weeks. Package List1 x Pest Repeller, 1 x Instruction Manual.