OverviewHow to use: 1. The repeller should be installed vertically 31-47 inches from the floor. Just plug it into an AC 200V (or 100V) power outlet. The red LED light will illuminate, which indicates the device is working. This repeller should be used indoors only. 2. The repeller covers up to 1200 square meters of space. To improve performance, please use more than one device in large rooms. 3. In the first days of using the repeller, it is normal to see even more pests appearing in your home. Don't panic! They are just trying to get out of your house. 4. To ensure the best effect of the device, install the repeller away from sound absorbing materials such as carpets, floor mats, and curtains as much as possible. 5. Do not clean the device with a wet cloth. If necessary, use a dry and soft clean. 6. Do not drop the device or hit it too hard. 7. Suggested room temperature to use the device is 0-40°/32-104° Specification: Type: Simple Reject Material: ABS Plug Type: US Plug/EU Plug/UK Plug Voltage: AC 90V-250V Frequency: 50 -60Hz Power: 5-6W Working range: 80-120 square meters Ultrasonic repeller Frequency: 22-65KHz Operating temperature: 0-40 °/32-104 Package included: 1pc x Ultrasonic Pest Repeller