Feature:1. Use a 100% child safe, environmentally friendly approach to prevent your property from being infested with moles, voles, shrews, gophers and destructive ground rodents.2. For optimal performance we recommend that during installation of the yard mole repellants be placed on every 96 feet on your lawn.3. Sonic pulses emitted 3-4s sonic pulses for every 30 seconds, it penetrates the soil and also forces pests to evacuate the area through which the sound is travelling.Specification:Features:Use a 100% child safe, environmentally friendly approach to prevent your property from being infested with moles, voles, shrews, gophers and destructive ground rodents.For optimal performance we recommend that during installation of the yard mole repellants be placed on every 96 feet on your lawn. Sonic pulses emitted 3-4s sonic pulses for every 30 seconds, it penetrates the soil and also forces pests to evacuate the area through which the sound is travelling.Generally, it takes approximately 2-4 weeks for the moles and gophers to be driven from your garden. After which your garden will be free from rodents. Relax knowing that your lawn is protected even when it rains due to the waterproof and corrosion proof features in the mole vole repellant.The ultrasonic pest repeller is very easy and simple to use for your convenience. The stakes need no assembly as they are ready to use straight out of the box. Just place them on the ground, press ON until you hear a buzzing sound and let them soak in the sunlight. The weatherproof stakes don’t need any hammering or extra strength so you can set them up with no hassle.Specifications:Solar panel power: 2V/45MASolar panel size: 70×90MMRechargeable battery: NI-CD nickel-cadmium battery 1×1.2V/600mAH "AA" Ni-CdMaterial: ABSFrequency: 400-1000HZItem size: 25*6.2*6.2CMWeight:120gprinciple:1.Use solar energy to charge and discharge.2.According to scientific research, animals are very sensitive to vibration, and even small vibrations can be felt, so this product is based on the principle of transmitting vibration waves, making it unbearable and fleeing the scene.Range of use:This product is suitable for open areas such as open grasslands and parks. The effective range is within 100 square meters. The closer the effect, the better. It is recommended to use 2-3 products if the garden is relatively large.Precautions:1.Charging method: Solar charging, directly plug in the place where there is sunlight to charge. The effect will be better.2.This product is rain-proof, but not rain-proof. Please do not exceed the safety line during installation. If the height of the rain exceeds the safety line, please take this product away until the rain water recedes.3.Installation method: the switch is turned on, and it works automatically! This product will make noise and vibration every minute.Packing List:1* Solar Mole RepellentPackage List:1* Solar Mole Repellent