BUZZER VIBRATION TO WARD OFF:The mole repeller vibrate and make sound waves about 400 to 1000 hertz through the buzzer,it can ward off moles, gophers, voles, dandruff and other destructive rodents. SOLAR ENERGY:Equipped with the solar panels and rechargeable batteries, capable to absorb sunshine and come with longer working time, no need to replace battery. SUITABLE FOR MULTIPLE PLACE:Apply to your garden,farm,paddy field;it can ward off moles, gophers, voles, dandruff and other destructive rodents. EXCELLENT WATERPROOF PROPERTY:The product has the characteristics of rainproof and waterproof, and can work continuously even on rainy days. But it can’t be soaked in water for a long time. Instructions for use: Step 1 - Insert the device into the ground and make sure the top is about 2 inches from the floor to prevent water from flowing into the interior. Step 2 - Press ON button . When you hear a “buzz”, indicating that the Solar animal repeller is running. Note: 1. Wet clay is the best