Features: Intelligent Full Frequency Range: Automatic cross-frequency conversion technology: ultrasonic + electromagnetic wave, damage the mouse's sense of smell, hearing, central nervous system, and fundamentally solve the mouse damage. Eco Friendly: No chemicals, less power consumption. The ultrasound waves only effects on mice. This mice repellent ultrasonic uses different frequency ultrasonic waves to drive mice away without killing them.no need to clean up dead mice. Quiet Running: Child/pregnant women/the aged/pets, the micerepeller is safe and not interfere with domestic appliances.Quiet and non-radioactive operation. Wide Coverage: The ultrasonic mouse repellent maximum effective range is 200 square meters in one single room. Its widely used in homes, warehouses, offices, gardens, hotels, etc. Plug And Play: Just plug-in and then LED light is on, and can work 24 hours a day. To get the best result, Please do not put any covering on the surface of this mice repellent indoor. Specifications: Type: Mouse Repellent Material: ABS Color: White, Black Size(W*H*T)(with pin): About 94x90x60cm/3.7x3.54x2.36inch Plug: EU Plug Power Supply: AC100~120V AC210~230V Operating Current: 50Ma-80mA Power: 5-8W Ultrasonic Frequency: 22-85HKZ Indicator: 1. After plugging in the power supply, press and hold for 2 seconds to turn on, the blue breathing light will be on, press and hold for more than 2 seconds, the system will shut down 2. The white light turns green, the beep beeps once, and the system self-checks 3. The green-to-blue breathing light flashes, the beeping sound once, the ultrasonic wave starts to work automatically, the blue breathing light is long on, press and hold for more than 2 seconds, the beeping sound is repeated, the system automatically shuts down 4. If the red light of the system flashes, it means that the power supply is abnormal, and it is forbidden to work! Package Included: 1pc x Mouse Repellent Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.