Product Name: Indoor Insect Mouse Control Electronic Plug-in Ultrasonic Pest Repeller Model NO.: ATE1163 Material: Plastic Size: 9.6*2.6*1.6cm Color: Black and Red Coverage Area: 1600 Sq.FT Frequency: 24-100kHz Target Pests: Mosquito, Fly, Mouse, Spider and Ants Trademark: Trapall Origin: China Product Description Special Features:1. Safe for human, pets and baby. Odorless, noiseless and no radiation2. Drive pests and mice away without killing them3. It takes 2-4 weeks to make effect4. Please install it at 30cm away from the ground5.Please note that the sound wave can not penetrate wall and solid objects