Silicone Rubber Enclosure Heater Thermostat Closes 40 Degrees F Opens 60 Degrees F 60 W Watts Heater Voltage 120V AC 1 Phase Height 1/2 in Length 6 in Width 2 1/2 in Mounting Dimension 4 in Mounting Holes O.C. Oblong 5/32 x 1/4 in Includes 48 in Leads Standards UL (cURus) Recognized CSA Certified