Description: Repellent Type: Ultrasonic Pest Repellers Features: Ultrasonic electromagnetic wave double horn insect repellent, dual LED night light, touch switch, intelligent ultrasonic chip, electromagnetic wave coil Pest Type: Mice,Bed Bugs,Moths,Spiders,Flies,Ants,Cockroaches,Mosquitoes etc. Specification: Plug: EU / US / UK Rated Voltage: 110-240 V Rated voltage: 5 (V) Rated power: 6 (W) Output frequency: 50Hz-60Hz Material: ABS flame retardant Input voltage: AC 90V-250V / 50HZ effective coverage: 80-120m the use of ambient temperature: 0 ~ 40 degree Celsius Weight with package: 25g Packing: boxes Notes: 1.Recommended Installed Height: 10~40 inches, vertical to the ground 2.Turning off the light will not affect the performance of the ultrasound 3.Ultrasonic cannot penetrate furniture, cabinets or walls, keep ample space around the area where it's plugged in, multiple units required for multiple rooms 4.It's normal that the pests will increase at the beginning days because they are getting away from their living place after the attack of the ultrasonic. Reduction in pest activity should occur within 2-3 Weeks Package Including: 1PC Ultrasonic Pest Repellers