Size: 85 * 55 * 22mm, working power 4-6W, ultrasonic frequency 25-65KHZ, applicable objects: mosquitoes, cockroaches, mice, insects, etc., with LED lights, suitable for both mother and baby, energy saving and low noise Ultrasonic Action And Friendliness Ultrasonic insect repellent uses ultrasonic waves to stimulate the pest brain and auditory nerve to ward off pests in your home Say goodbye to harmful poisons, dangerous chemicals and traps, work without disturbing people or pets, and be respectful of your family and pets Wide area coverage Mouse repellent can be applied to induce mice, rats, roaches, spiders, insects, mosquitoes, bugs and ants. It is recommended to install this device at a distance of 8-27 inches from the floor and apply it in homes, offices, apartments, supermarkets, warehouses, hotels or any other place Environment and Energy Saving Pest repellent has the following features: no trap, no noise, no radiation and no peculiar smell. Low energy consumption, energy saving and environmental protection. Based on ultrasonic pest control technology, this device offers a simple and quiet way to deter pests. You will discover a significant drop in pest activity in 3-4 weeks, without the need to use sprays or traps Night light function : the process is equipped with a night light. The night light can induce parasites to leave the colony. At night, when the night light is on, the machine starts working and the soft light allows you and your family to sleep more peacefully. Silent ultrasound does not affect work and sleep