EFFECTIVE MOLE DISTRIBUTOR: Keep moles, voles, ants and snakes away from the property using quartz oscillations and vibrations CYCLICAL SOUNDS - Quartz oscillations between 16 and 60kHz are transmitted to intervals to minimize the habituation effect. The multi-frequency device thus guarantees permanent movement HIGH RANGE - The extra powerful vibration motor allows an effective range of up to. The dispenser is therefore ideal for the garden or the field ANIMAL FRIENDLY - The mole repellent works without poison or live traps. Other farm animals or people do not feel disturbed. Soils and plants stay protected EASE OF OPERATION: The anodized aluminum rod has an on/off switch. The batteries can be quickly replaced without having to remove the device from the ground.