General description This AlwaysH Ultrasonic Mosquito Repeller is an effective indoor insect repellent device designed to keep pests such as mosquitoes, ants, mice, rats, spiders, and cockroaches away from your home. With its advanced ultrasonic technology, it emits concentrated ultrasonic waves that deter these unwanted guests without the use of chemicals or batteries. Technical specifications Material: ABS Color: White Power: 5W Rated voltage: 250V Rated frequency: 55-85Hz Size: 60 x 60 x 21.5 mm Effective coverage: Up to 1,600 square feet Shipping quantity: Two pieces Installation Plug the device into an outlet. For flying insect pests, install 30-50 inches above the ground. For other pests, install 10-30 inches above the ground. Usage For optimal results, it is recommended to use one unit per room. In larger areas, consider installing two or more devices to enhance effectiveness. Expect to see a reduction in harmful pests within a month of installation. Other information Contains