Powerheat heated de-icer will keep an area thawed and open in the pond. Allows the release of toxic gases from fish respiration and decomposing organic matter. 15 watt heating element prevents snow or ice build up on top of the unit. Size is 315 Watt. Dimensions are 0.63 X 0.63 X 0.43 Plastic And Metal. UPC Code = 015561216425