Solar energy cat and dog driving device description:

 Strong ultrasonic signals to scare animals. In the area of the animal's unpleasant ultrasonic sound, startle the animal. The sound is activated when the animal enters range. As a result, animals are not accustomed to sounds, and the repulsion is stronger.
Technical data:

Power supply: solar panels and 4×AA batteries
Effective distance: up to 8M (depending on weather and environment)
Detection Angle: 110° (depending on the surrounding weather)
Waterproof grade: IPX4.
Certificate: CE&ROHS

 It USES the principle of infrared detection, in the detection of small animals at the same time send out ultrasonic to chase small animals. It can help you protect your property, your garden and your yard from unwanted stray dogs, stray cats and other small animals.

As a portable design product, it can be installed in your home, garden, or any place in your yard. This product only repels animals without any chemical attached. It only emits 25kHz ultrasonic frequency to drive them away
1) speaker: this product can emit high frequency to drive away animals.
2) PIR moving detector: this is an infrared sensor that continuously outputs signals. When it senses a moving animal in the detection range, it will automatically send out sound frequency to drive away the animal and the LED indicator light will also light up. 
3) LED indicator light: when sensing the animal, the LED indicator light will be on.