Fan Forced Enclosure Heater, Thermostat 0 Degrees to 100 Degrees F, 100 Watts, Heater Voltage 120VAC, 1 Phase, Height 5-1/2 In., Length 4-13/16 In., Width 4 In., Mounting Dimension 5-1/2 In. H x 4 In. W, Mounting Holes O.C. 5 In. H x 3-1/4 In. W, Includes (4) Self-Tapping Screws, Standards UL Component Recognized,CE, CSA Certified