Clamps to the side of any stock tank and prevents livestock from removing. Heating element is of a large diameter for prolong de-icer life. The thermostats on these models are replaceable. Not for use in plastic tanks. Floating de-icer. Size is 1000 Watt. Dimensions are 9 X 8.88 X 6 1500 Watts 120 Volts, Adjustable Thermostat. UPC Code = 022102762105