Fan Forced Enclosure Heater Thermostat 0 Degrees to 100 Degrees F 400 W Watts Heater Voltage 120V AC 1 Phase Height 7 1/2 in Length 5 3/16 in Width 4 1/4 in Mounting Dimension 4-1/2 in H x 4-1/4 in W Mounting Holes O.C. 7 in H x 3-1/2 in W Includes (4) Self-Tapping Screws Standards UL Component Recognized CE CSA Certified