This machine should be installed 80-120 cm away from the floor, and no other obstacles around within 1 meter. Easy to Install - Simply plug it in to household power socket vertically. This machine should be installed 80-120 cm away from the floor. The blue LED light will illuminate, which indicates the device is working. Working range: One pest repeller can protect 80-120 Square Meters. To enhance the performance, please use more than one device in large rooms.Quiet- The ultrasonic waves that this repeller sends are far beyond the hearing range of human-beings. Enjoy a peaceful & pest-free tight sleep without any concerns for noise. The electronic pest repellent is designed for environmental protection and 100% safe for human. No radiation, non-toxic, no smell and no noise. Just drive pests away without killing them, an environment-friendly and humane solution to keep the pests away from your home. The pest repellent can be widely used in home, warehouse, shop, hotel, hospital, office, grain depot, etc. Please be aware that this repeller is for indoor use only. Specification: Type: Ultrasonic Pest Repeller Color: White Material: ABS Plug Type: EU/US Plug Voltage: AC 90V-250V Frequency: 50-60Hz Power: 5-6W Working Range: 80-120 Square Meters Ultrasonic repellent frequency: 22-65KHz Operating Temperature: 0-40°/32-104° Size: 9*5.6*5cm/3.54*2.20*1.97 inch
