Solar Mouse and Dog Repeller Instructions: Strong ultrasonic signals can scare animals. In an unpleasant ultrasonic area of the animal, scare it. When the animal comes into range, the sound is activated. Therefore, the animal cannot adapt to the sound and the repulsion is stronger It adopts the principle of infrared induction, and sends out ultrasonic waves to hunt and kill small animals while detecting small animals. It can help you keep away harmful stray dogs, cats and other small animals and protect your property, garden andyard. Because it is a portable design product, it can be installed anywhere in your home, garden or yard. This product can be used with low voltage power supplies with batteries. This product only drives animals and does not add any chemical substances. Itjust sends out 25kHz ultrasonic waves to drive them away without causing any harm to the human body. 1) Speaker: This product can emit high frequency to keep animals away. 2) This is an infrared transmission sensor that emits signals continuously. When a moving animal is detected within the detection range, it will automatically send out a sound wave frequency to move the animal away, and the LED indicator lights up. Lightsup accordingly. Solar Panel: 5.5 V 0.11 W, Amorphous Silicon Batteries: 4x 2/3AA 300MA NI-MH Frequency: 25KHZ-60KHZ Range: 6-8m in the front 110 sector area Material: ABS