1. By emitting sound waves and vibration, the mole repeller drives away moles very effectively. The sound waves will irritate them, simulate danger, and repel them away from the irradiated area.

2. Chases moles, burrowing rodents and snakes.

3. Solar panels: Amorphous silicon 2V/30mA. 

4. Rechargeable button battery: 1.2V/100mAh.

5. Frequency: 400Hz-1000Hz.

6. Waterproof level IP44 and no water seepage. 

7. Working range: about 650 square meters.