Keeps burrowing rodents away from your property and garden. A vibrating sound inside the rod emits at intervals of 15 seconds, which is so sensitive to the acute hearing of the rodents that they leave the effective range of the mole repeller after a short time. The device works in a circular area with a radius of 18 meters. Easy to use. No gas or poison. 100% waterproof. Power supply. Effective range: approximately 1000 m². Not suitable for heavy soils. Delivered without batteries - Battery: 1.5 V R20 D.