Danner Manufacturing, Inc. Floating Pond De-Icer With 18-Foot Power Cord, 120 watt, #02175 120 watts of heating power Fixed Thermostatic Control 1 year limited warranty Rugged, High Impact ABS Plastic 18' Power Cord 120 watts of heating power Extremely energy efficient Thermostatic control reduces heating time & saves electricity 18-foot Grounded Power Cord Will not harm flexible liners or pre-formed ponds