It emits powerful sonic waves (Intermittent Combination of Sound and Vibration) to the keen ears of underground rodents (moles, voles, etc.)  Weatherproof, water-resistant and UV-resistant. 

Materials: Durable ABS plastic.

Frequency: 400 Hz -1000 Hz

Effective area: 600-800 square meters

Product size: 6.8X6.8X27.5cm

Suitable for loading 2pcs 1.5V LR20/D battery ( price is not including battery)