Material: ABS, size: 10 * 6 * 5cm 2024 Upgraded Ultrasonic Pest Repeller:Using the upgraded ultrasonic and electromagnetic waves.The automatic frequency conversion of our mouse repellent can reduce the adaptation of pests to frequency.Rodent repellent repels insects by emitting ultrasonic waves of different frequencies to stimulate their nervous system. Keeping bed bugs, spiders, ants, cockroaches and mouse away from your house. Wide Effective Coverage Area: Our pest repellent ultrasonic plug in effective coverage of each mice repellent is up to 1600 square feet.It's widely used in homes, warehouses, offices, restaurant, supermarket, hospital, granary etc.To get great results,we recommend you to install one for each room because the ultrasound can not penetrate walls and solid objects.Let the rat repellent for house protect your home 360degree all around. Easy to Use: All you do is spider repellent for house indoor an electrical outlet and the ultrasonic pest repeller indoor will start to repel the pests when the blue night light is on.Please make sure to install it vertically 7-31 in away from the floor. And make sure there are no barriers like curtains or cabinets covering in front of the repellent. Depending on the environment,most customers can see the results within 2-3 weeks!We can say goodbye to pest. Eco-Friendly and Safe for Human & Pets: Our ultrasonic pest repeller plug-ins is environmental and effective.The electronic rodent repellent indoor ultrasonic is safe for human and pets. Ultrasonic sound is inaudible to humans and pets. No need to clean up dead pests, no battery required and cost little electricity. Working time: Ultrasonic is an expulsion process 3-5 days: Mice, cockroaches are eager to interfere with their physiological and nervous systems for the ultrasound, the creatures hidden in the dark will be forced out. 2-3 weeks:Receive the good result. 1 month later: completely cleared ( depends on the range of pests).