Brand New, Electronic Pest Control Pest Repeller Mosquito Killer Anti Rodent Insect Mouse Feature: 1.Electronic insect repeller is a new type of high-tech electronic product, which uses high-frequency ultrasonic circuit to generate sweeping ultrasonic waves of 20~55KHZ. 2.Scientific research has found that mosquitoes, cockroaches, mice, mites and other pests avoidthe range of sound waves of this frequency. Their endocrine system and physiological functions will produce flocculation. Ultrasound has no effect on the human body and other animals. 3.Safe, non-toxic, tasteless and efficient and has been widely used. 4.Widely used in homes, warehouses, shops, hotels, hospitals, offices, computer rooms, gardens, hotel grain stores, etc. 5.Product effective range is 80-120 square meters. 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 200V (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 120 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° Specification: Type: Ultrasonic Pest Repeller 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 repellent frequency: 22-65KHz Operating Temperature: 0-40°/32-104 Package Included: 1 x Ultrasonic Pest Repeller (retail box)