1. With watherproof on/off switch, can turn on/off products at any time. 2. Chases moles,voles,gophers and burrowing rodents 3. Solar panels: single crystal silicon 2v/45Ma 4. Rechargeable battery: Ni-Mh 1.2v/300ma 5. Frequency: 400-1000Hz 6. Working range: about 800 square metre