Transmitting ultrasonic via vibration. Pest repeller is used to
affect the acute hearing of underground rodents,with very effective
preventive effect. The ultrasonic will deceive them, making them
feel endangered,so as to force them away from the vibrating area.
Transmitting ultrasonic every 30 senconds.
Solar Panel:Mono-crystal,multi-crystal,non crystal silicon
Build in Ni-MH battery:500-600mAh
Frequency: 300 - 700 Hz
Installation Available:Insert into the earth or fit on the cement