ProCom ML060HBA Liquid Propane Flame Space Heater Wall, 6000 Btu, Blue Safety assurance: O.D.S. (Oxygen depletion sensor) included with automatic shut-off 6, 000 maximum btu heats up to 150 sq. Ft Product dimensions: 19 1/8 h x 14 1/8 w x 6 3/8 d Manual control: 2 heat settings