product description: 1. Easy to install and use: This device is easy to install on walls, fences or on the ground with the provided stakes. Just point it at the area you want to protect and turn the dial. 2. Keep Your Garden Safe - You& 39;ve been working hard on your garden and we want it to thrive. This device prevents starving and rash animals from destroying your favorite plants. 3.Environmental & Economical: No extra cost for chemicals, pesticides, traps. This solar powered ultrasonic animal repeller is chemical free, maintenance free and waterproof. 4. SAFE FOR HUMANS AND ANIMALS: This device is humane and does not use toxic chemicals, electric shocks or toxins. 5. Please put it in the sun for two days before use to fully charge it. The solar panel can effectively charge the product and keep it on standby for a long time. Don& 39;t worry about the product needing a power outlet when outdoors.