Description of the solar mouse and dog repellent:A strong ultrasonic signal frightens the animal. In the area of the animal's unpleasant ultrasonic sound, scare it. The sound is activated when the animal enters the range. Therefore, the animal cannot get used to the sound and the repulsive force is stronger.It adopts the principle of infrared sensing and sends out ultrasonic waves to hunt small animals while detecting small animals. It can help you stay away from harmful stray dogs, cats and other small animals to protect your property, garden and yard.Because it is a portable design product, it can be set up anywhere in your home, garden or yard. This product can be used with low voltage power supplies with batteries. This product only drives animals without any chemicals attached. It just emits 25kHz Ultrasound drives them out, it won't do any harm to human body1) Speaker: This product can emit high frequencies to keep animals away.2) Motion Detector: This is an infrared transmission sensor that emits signals continuously. When it detects there is a moving animal within the detection range, it will automatically send sound wave frequency to move the animal away and the LED indicator will light up. lights up accordingly.Solar panel: 5.5 V 0.11 W, amorphous siliconBatteries: 4x 2/3AA 300MA NI-MHFrequency: 25KHZ-60KHZRange: 6-8m in a 110 fan-shaped area in frontMaterial: ABSProduct size: length 38 * width 14.5 * 9.5cm