1. Power Supply by Solar Energy and 4pcs Ni-Mh rechargeable battery. it also can charge by additional DC adaptor (not included). 2. By switch the button (left model one right model two) to choose different work frequency to repel birds, cats, dogs, foxes, and other animals. 3. The device with 4pcs 360 arc high light LED flashing to get rid of animals in the dark. 4. Waterproof level is IP44. 5. PIR Motion Activated to save most of power, PIR Covers 120� arc, and 6-8 meter ground area - total of 150 square meters.