1.Effect: Solar ultrasonic mole ultrasonic pulses penetrate the ground and generate sound waves and vibrations to ward off buried pests such as gophers, snakes, mice, moles, scorpions and other pests. 2. Wide coverage: Effective area of mole repellent max. 650 square feet radius about 15m Install it anywhere in your garden, yard or lawn with sunlight. 3. Environmental protection and non-toxic: Mole repellent Moles, voles, ants and snakes are kept away from your property by quartz vibrations and additional vibrations, drive away pests day and night, do not disturb humans or animals beneficial garden plants. 4. Waterproof: Solar mole repeller Made of high quality ABS and aluminum, IP65 waterproof and corrosion resistant, it won't stress the floor even after long time working and very durable！ 5.Installation: We recommend digging a small hole with a shovel to plant the device. The unit has a radius of approximately 15 feet and covers up to 650 square feet in a circle. We recommend installing 2-4 units every 100 feet in the garden or yard for best results. It should be installed 10 inches from the ground. Color: green Material: aluminum and plastic ABS Sound Frequency: 400 to 1000 Hertz Effective Coverage: 650 square feet of Anti Mole Advantage: - Easy and convenient to use. - Safe and chemical free. - Made of durable ABS plastic and corrosion resistant aluminum. - Solar powered and no extra battery needed. - IP65 waterproof, keep out light rain, but may be damaged by heavy rain. - No harm to your pet. Package complies with: 2 x Mole Ultrasound Solar 2 x Aluminum Mounting Sticks Suggest: In general, mole repellent product it takes 2-4 weeks for the product to have a significant effect. We recommend that you use it continuously in case the birthmarks return. The device is harmless to humans and pets.