1. Power Supply by Solar Energy and 4pcs Ni-Mh rechargeable battery (not included). it also can charge by additional DC adaptor (not included).
2. By switch the button to choose different work frequency to repel birds, cats, dogs, foxes, and other animals.: 
Model "Ⅰ" (Left):45KHZ 25KHZ 55KHZ 30KHZ 40KHZ 20KHZ 50KHZ 35KHZ- working 8Seconds
Model "Ⅱ" (Right): 
A: 13KHZ 15KHZ 17KHZ 19KHZ 21KHZ 30KHZ working 2seconds 
B: 14KHZ 17KHZ 20KHZ 23KHZ 26KHZ 40KHZ working 2seconds
C: 15KHZ 19KHZ 23KHZ 27KHZ 31KHZ 50KHZ working 2seconds 
D: 16KHZ 21KHZ 26KHZ 31KHZ 36KHZ 60KHZ working 2seconds 
3. The device has 4pcs 360 arc high light LED flashing to get rid of animals in dark.
4. Waterproof level IP44.
5. PIR Motion Activated to save most of power, PIR Covers 120° arc, and 10 meter ground area - total of 150 square meter.