1、360° Coverage Design: This ultra-sonic mice repeller has 4 speakers and a modern octagonal design. It can achieve 360° coverage no matter where it is placed, leaving no place for insects and sawteeth to hide. 2、Multi-Mode: Insert the power and turn on to default to ultra-sonic mice repeller mode; Mode 1: Only repels pests such as mice; Mode 2: Ultra-sonic repeller repels pests; Mode 3: Electromagnetic waves mode repels pests. 3、Smart Chip & Strobe: Form dual-wave frequency conversion and use SPL technology to drive mice away. With LED strobe lights, it can interfere with the sight of sawtooths in the dark, and cooperate with frequency conversion to make them flee. 4、User-Friendly Design: This 360° rat deterrent device can drive away sawteeth while the frequency band emitted will not harm humans, young babies, and pets. It is odorless, and trap-free to safely drive away sawteeth. 5、Usage Scenario: The button design is easy to operate and is suitable for homes, warehouses, hotels, offices, cars, etc. Since the sound waves will be weakened when encountering obstacles, please place it in a reasonable place for use. Working voltage: DC5V3A Noise: 90DB Radiation angle: 360° Frequency scope: 25-50kHz Item Size: 9 * 5.6 * 3.3cm/3.54 * 2.2 * 1.3in Item Weight: 185g/6.53oz Package Size: 13.5 * 11.5 * 8.5cm/5.31 * 4.53 * 3.35in Package Weight: 275g/9.7oz 1*Mice Repellent 1*Connection Cable 1*Adapters 1*User Manual