The All Seasons Water Hose Heater is designed to keep up to 100 feet of standard garden hose ice free all winter long, even below zero! All Seasons Hose Heater will automatically turn itself off when temperature are above freezing. Made of heavy duty nylon shell, it will stand up to the rigors of daily life while provide years of hassle free service. Being only 70 watts, it uses less energy than a standard light bulb. Safe to use in any weather.