troubled by the like Mouse, , , etc? ! The item is a wide range, practical and electronic . The is safe for your family members and pets. A wonderful suitable for use in home, bedroom, office. Feature - Color: Black. - Material: Plastic. - Size: 13x7.5x3.2cm - Sound frequency: 20khz-155khz - Voltage: - Touch button, easy to between CF constant frequency mode and variable frequency mode. - 360 angle sound frequency, up to 160m2 wide coverage, for home. warehouse, hotel, restaurant, office, hotel - High-tech quality, non-pollution - Using technology to drive most kinds of flying and crawling such as , bats, ants, , mice, , etc, bringing you a clean environment - The high-frequency sound is inaudible to human ears but will and frighten insects and - Compact and portable, more convenient Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you Package list: 1 x Electric