... repeller, Solar Pest Repeller, Ultrasonic sound pest repellent, Garden solar powered rodent repellent,Technical data:Solar panel power:4V/45mASolar panels ... (moles, voles, ect.).By emitting sound waves, the Solar Rodent Repeller drives away underground rodents very effectively.The sound waves ... day then continue works 3 cloudy days.The Solar Rodent Repeller is effestive within an area of 650 square ...