Description:This rodent repeller combines ultrasonic and solar power technology, which is environmental-friendly, pollution free and high efficiency. It will effectively keep mouse and snake away from your garden or lawn by sending ultrasonic wave.Features:This repeller adopts ultrasonic technology which sends ultrasonic to stimulate the rodent and repel them in the radiation area.It is a safe and humane way to repel and control rodent, eco-friendly, pollution free and high efficiency.Built-in NI-MH battery and powered by solar panel, low energy consumption and environmental-friendly.Help to repel mouse and snake, effectively protect your crops from being destroyed.Easy to install, suitable for garden, lawn and field.Specifications:Condition: 100% Brand NewMaterial: ABSColor: BlackFrequency: 400Hz50HzBattery: Built-in NI-MH 1.2V 600MAH x 1Solar Panel Power: 2V/100MAApplication Area: about 100mUltrasonic Sending Interval: 30secondsTotal Length: approx. 39cm / 15.35inSolar Panel Size: approx. 9.5 x 8cm / 3.74 x 3.15inWeight: approx. 379gQuantity: 2pcsPackage Included:2 x Solar Rodent RepellersInstallation Instruction:1. It is not suitable to install the repeller at frozen soil, flooded ground.2. Use wooden stake to make a hole in the high-altitude location. Insert the repeller and ensure the top is 10cm above the ground. Recommended install it every 5-8 meters for better effect.3. Before the first using, it is best to expose the solar panel to the sun for two days and then insert it into the ground. .