Ultrasonic Repeller: The latest repeller that is about to emit 22-65 kHz ultrasound. In addition to our repeller, it is equipped with a real time visual display of the ultrasonic frequency to prevent the appearance of pests. When using the fixed frequency, the microcomputer automatically changes the frequency intermittently. Make the product both efficient and intuitive for you. Scary Lights: According to experiments, mice are naturally very light-resistant and like dark and humid environments. So our mouse repellent sparkles through the lights to scare and escape the mouse (brightness adjustable to 3 levels). This is different from the mouse repellent available on the market. What makes our products more efficient. Safe and QuietNon-toxic and environmentally friendly ultrasonic repellent. Our repellent is 100% safe and effective. The ultrasonic frequency emitted by this device is inaudible to humans and pets. Safe for children, family and pets. However, if you have a hamster pet at home, do not use this ultrasonic repellent. Long range: each electronic ultrasonic protection is effective for a large area of up to 40 x 40 metres. Which is much stronger than other cheaper repellents. Please note that ultrasonic waves cannot pass through walls. Although our insect repellent works well, we recommend you place our insect repellent in any room if you have a large infestation. Easy to use: this machine should be installed 80-120 cm above the floor. And perpendicular to the floor and plug it into the socket. It can be connected directly to a 220V socket. Can be widely used in households, warehouses, shops, hotels, hospitals, offices etc. Save as much as possible. NOTE 1. The size of the product is measured manually, and there will be an error of 2-3mm due to factors such as different measurement tools and measurement methods. 2. This product is all taken in kind, but due to differences in photography, lighting, color deviation, and personal understanding of color. As a result, there may be some color difference between the actual product and the photo, and the color is subject to the actual product. 3. Please take good care of our products