Features: Use a 100% child-safe and eco-friendly approach to prevent moles, voles, shrews, ground squirrels, and destructive land rodents from infesting your property. Placed every 96 feet of your lawn. The sonic pulses emit 3-4 second sonic pulses every 30 seconds, penetrating the soil and also forcing the pests to leave the area through which the sound travels. It usually takes about 2 to 4 weeks for moles and ground squirrels to be driven out of your yard. After that, your garden will be rodent-free. Relax knowing that your lawn is protected even when it rains, thanks to the mole repeller’s waterproof and corrosion-resistant properties.Using the ultrasonic pest repeller is very easy and convenient. The stakes do not require assembly as they are ready to use. Just lay them on the ground, press ON until you hear a buzz, and let them soak in sunlight. The weatherproof stakes require no hammering or extra force to be attached, so you can easily install them.Specifications: Solar Panel: