Feature: 1. Intelligent mouse repeller, dynamic cross frequency conversion technology, mute, safe and environmentally friendly. 2. 3‑speaker design greatly improves strength of repelling rats and mosquitoes, effectively solves rodents and mosquitoes. 3. Ultrasonic dynamic automatic frequency conversion, emitting sound waves in different frequency bands, so that rats can not adapt. 4. Use 22KHZ‑85KHZ sound waves frequency to make mice and mosquitoes escape from the driving range. 5. It is suitable for a variety of environments such as homes, warehouses, hotels, restaurants, etc. Specification: Item Type: Mouse Repeller Material: ABS Color: White Power Supply: AC220V Rated Power: 8-10W Acoustic Frequency: 22KHZ-85KHZ Acoustic Waves Varieties: Ultrasonic, Electromagnetic Waves Speaker Type: 3pcs Ultrasonic Speakers Covering Area: 250m² Product Features: Full frequency band dynamic cross frequency conversion technology Weight: Approx. 124g / 4.4oz How to Use: 1. After plugging in the power supply, press and hold for 2 seconds to turn on, the blue breathing light will be on, and press for more than 2 seconds to shut down the system 2. The white light turns to green light, beeps once, and the system self-checks 3. The green to blue breathing light flashes, beeping once, the ultra sound starts to work automatically; the blue breathing light is on, long press for more than 2 seconds, beeping once, the system automatically shuts down 4. If the system's red light flashes, it means the power supply is abnormal and work is prohibited. Package List: 1 x Mouse Repeller1 x Manual