by emitting sound waves and vibration, the mole and snake repeller drives away moles and snakes very effectively. the sound waves will irritate them, simulate danger, and then get rid of them away.                                                                                                                       
1. Complied with environmental criteria 
2. Chases moles, burrowing rodents and snakes
3. Solar panels: amorphous silicon 2.5V/70mA 
4. Rechargeable battery: 1pcs Ni-Mh 1.2V/600mAh
5. Frequency: 400-1000Hz
6. Waterproof level: IP44
7. Working range: about 800 square meters