Features: * Thermostatically controlled to operate only when necessary * Keeps tanks up to 250 gallons from completely freezing during winter * Uses less electricity than traditional 1500 watt de-icers * Can be used in metal, plastic, or rubber stock tanks * U.L Listed * 120 AC voltage * 1250 watts What"s In The Box: * Farm Innovators H418 Aluminum Floating De-Icer