【ULTRASOUND MOUSE AND RAT】Rodents scratching in your walls, in your home, in your house? The nights are long! This fierce fight against your intruders, mice, rats, dormice, martens, comes to an end thanks to your ultrasound device. Mouse and rat repellent, New Model 2021. 【Effective】Simply plug the ultrasonic rodent control box into the socket, without adjustment. Kills rodents within 3 weeks. Inaudible to human or pet ears. Directions for use: 1 device per room. 【Larger Protected Area & Low Power Consumption】Wide Coverage Area - Each ultrasonic electronic pest repellent is effective for a large area up to 800-1300ft². Please note that ultrasonic waves cannot pass through walls. Although our pest repellent works well, if you have a large infestation we recommend placing our insect repellent in every room. 【100% Safe and Environmentally Friendly】The product is non-toxic and environmentally friendly, our repeller is 100% safe and effective, the ultrasonic frequency emitted by this