Feature: Electronic insect repeller is a new type of high-tech electronic product, which uses sweep frequency high-frequency ultrasonic circuit to generate sweeping ultrasonic waves of 20~65KHZ. Scientific research has found that mosquitoes, cockroaches, mice, mites and other pests in the range of sound waves of this frequency, their endocrine system and physiological functions will produce flocculation, thus playing a driving role, ultrasound is no effect on the human body and other animals Harmful, because more than 20KHZ sound waves can not be heard. Safe, non-toxic, tasteless, and efficient, and has been widely used. Widely used in homes, warehouses, shops, hotels, hospitals, offices, computer rooms, gardens, hotel grain stores, etc. Product effective range: within 80 square meters. Power Plug Type: EU Plug, US Plug, AU Plug, UK Plug (Please select the plug suitable for your country's power supply specifications.)Specification:- Type: Ultrasonic Pest Repeller- Material: ABS- Plug Type: US Plug/ UK Plug/ EU Plug- Voltage: AC 90V-250V- Frequency: 50-60Hz- Power: 5-6W- Working Range: within 80 Square Meters - Ultrasonic Repellent Frequency: 22-65KHz- Operating Temperature: 0-40/32-104 - Package Included: 1 x Ultrasonic Pest Repeller How to Use:1. The repeller should be VERTICALLY installed at 31-47 inches away from the floor. Simply plug it in to an AC 240V (or 100V) power socket. The red LED light will illuminate, which indicates the device is working. This repeller should be used indoor only.2. The repeller covers up to 1200 square feet of space. To enhance the performance, please use more than one device in large rooms.3. In the first few days of using the repeller, it is normal to see even more pests appear in your home. Do not panic They are just trying to move out of your home.4. In order to guarantee the best effect of the device, install the repeller away from sound-absorbing materials such as carpets, floor mats, and curtains as far as possible.5. Do not clean the device with wet cloth. If necessary, use dry and soft cloth to clean.6. Do not drop the device or strike it too hard.7. Suggested room temperature to use the device is 0-40/32-104 Package 1:1x Insect repellentPackage 2:2x Insect repellentPackage 3:3x Insect repellentPackage 4:4x Insect repellentPackage 5:5x Insect repellentPackage 6:6x Insect repellent