The floating de-icer keeps a stock tank completely ice-free without overheating the water. The thermostatic control with thermal feedback protects the unit from overheating.The thermostat is positioned over the the durable stainless steel heating elemenet, which ensures safety in low-water conditions. The float is completely enclosed in a rugged, plastic housing and will not sink over time. The galvanized guard is specially designed to protect rubber, plastic or structural-foam tanks. Recommended for 100-300-gallon tanks. 6-foot cord with durable anti-rub protector. 1500 Watts, 120 Volts, 60 Hz. UL Listed. One year warranty.