Eco-friendly and safe: mole repeller without radiation, chemical or poison, your dog and cat will not be harassed and other pets. Durable: Made of high quality rigid ABS material quality for long term use. Weatherproof and IP65 Waterproof. Wide Coverage: This ultrasonic pest repeller produces low frequency 400-1000HZ sound waves to penetrate the ground and ward off mole, gopher and tusk. it is effective within a radius of 650 square meters (depending on terrain) in all directions. REPEL: The repeller emits vibrations and sounds every 30 seconds, which for rodents sound like their signals of natural hazards, therefore force them to avoid the area, the range of this module is about 7 meters (depending on the property of the land). To cover a larger area, it will be necessary to use several devices. The repellent protects your gardens and lawns from moles, voles, mice, rats and other burrowing animals. Effective in eliminating moles and voles: the device emits vibrations in the ground