This electric pest control device uses high-frequency sound to repel pests in your home. You can use this insect repeller to deter insects, mice, and other pests. The household pest repeller is efficient and practical, and the high-frequency sound is designed to be safe for humans. The pest repeller is suitable for various locations, such as homes, warehouses, shops, hotels, offices, and computer rooms. The pest repeller can cover an area up to 80 square meters and features a compact design for easy placement and storage. Specification: Material: ABS Voltage: AC 90V-250V Frequency: 50-60Hz Power: 5-6W Working range: within 80 square meters Sound frequency: 22-65kHz Operating temperature: 0-40°C / 32-104°F How to Use: 1. Install the device 31-47 inches above the floor. Plug it into a standard AC power outlet (100V or 240V). The red LED light will turn on, indicating the device is operating. This unit is intended for indoor use only. 2. The repeller covers up to 1200 square feet. For larger areas, use multiple devices to improve effectiveness. 3. During the first few days of use, you may notice increased pest activity. This is normal as pests respond to the sound and attempt to leave the area. 4. For optimal performance, install the device away from sound-absorbing materials such as carpets, rugs, and curtains. 5. Do not clean the device with a wet cloth. Use a dry, soft cloth if cleaning is needed. 6. Avoid dropping or subjecting the device to strong impacts. 7. Use the device within the recommended temperature range of 0-40°C (32-104°F). Note: Slight color variations may occur due to differences in screen displays. Minor measurement deviations may exist due to manual measurement. Package included: 1 x Pest Repeller