1. Power Supply by Solar Energy and 1pcs Lithium battery. it also can charge by USB line or additional DC adaptor(not included).
2. This product has three ultrasonic working modes that can be chosen by the switch, automatic frequency conversion repel animal more effectively.
3. The device has 3pcs strong LED flashing to drive away animals more effectively in dark.
4. The item can be inserted in the ground, or mounted against the wall, or put the top part directly on the flat surface. 
5. Waterproof level is IP44.
6. PIR Motion Activated to save most of power, PIR Covers 120° arc, and 8-12 meters ground area - total of 150 square meter.