[How it Works] - This ultrasonic mouse repellent features state of the art ultrasonic technology which creates a powerful ultrasonic wave,accompanied at the same time by an alarm sound and LED flashing light. Drive awayunwanted animals in your area, garden, farm, etc. The built-in motion detection sensor is highly sensitive and will trigger at an angle of 180 degrees and 40 yards distance range, for maximum performance. [Human Design Solar Repeller] - When the motion detector detects a motion, it will trigger the ultrasonic speaker to emit a high frequency noise which makes animals uncomfortable, therefore keeps them away from the protected area.Solar Animal Repeller is only to drive the animal,it is only issued 13.5kHz-45.5kHz ultrasound to drive them away. Will not have any harm to the human body. And will not hurt your own cats, dogs or other pets. [Effective Animal Repellent] - Do you have problem with unwanted animals in your area, garden, farm, etc.? Are they your garden or eating the fruits? Do they bring many viruses to you? Let's start to use Animal Repellent to solve your problems! This effective device helps you to unwelcome animal visitors. It contains a motion detector system which detects movements and emits powerful ultrasonic sound and flashing LED light. [Solar & Waterproof] - Animal repellent ultrasonic outdoor with solar panel on the top can convert sunlight into power to the operations of the ultrasonic bird repeller outdoor, raccoon repellent ultrasonic features solid construction and IP44 waterproof design,which can protect itself against normal rain, snow, or the harsh sun,you can use repeller in any weather conditions. Colour:Green Material:Plastic Package Contents: 1 * Ultrasonic Animal Repeller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.