Under Cabinet Heater, Rough-In Height 3 1/2 in, Rough-In Width 21 1/4 in, Rough-In Depth 11 1/50 in, Wattage Output 1800 W, Housing Color Black, Housing Finish Powder Coated, Heating Method Fan Forced, Heating Capacity 6147 BTU, Thermostat Included No, Voltage 120/240V AC, 1 Phase, Air Flow 39 cfm, Amperage 11.3 A, 15 A, 3.8 A, 7.5 A, Grille Height 3 3/4 in, Grille Width 21 1/4 in, Grille Color Black/White, Grille Finish Powder Coated, Grille Material 22 ga Steel, Standards ETL Listed