Features: 1.360 Degree All Round Ultrasonic mouse repeller can intermittently and alternately produce low frequency and high frequency ultrasonic waves, 360 degree all round ultrasonic repellent. 2.Stimulate Nerve and Hearing: Ultrasonic repeller can stimulate the brain nerve and hearing system of rats, mosquitoes and other insects to make them frightened and uncomfortable, and flee the scene. 3.Suggestions for Use: Mouse repeller is recommended to keep it on continuously for 24 hours to avoid insects and rats wandering around without sufficient influence to ensure the effectiveness of use. 4.Wide Scenes: Ultrasonic mouse repeller can be widely used in homes, hotels, restaurants, supermarkets, offices, warehouses, factories and other places. 5.Premium Material: Indoor ultrasonic mouse repeller is made of premium ABS material, strong and durable, not easy to damage, long service life. specification:Item Type: Ultrasonic Mouse Repeller Material: ABS Size: Approx. 10x6x3cm / 3.9x2.4x1.2in PackageList:1 x UltrasonicMouseRepeller NotePlease allow some error in manual measurement.