The LifeSmart 4-Element Infrared Electric Heater features 4 quartz elements and 3 heat settings: 750 watt/1500 watt and ECO, which maintains a constant temperature of 68 degrees. Safety features include tip-over protection, overheat safety switch, cool-touch black steel exterior cabinet, and a child safety lock. The innovative front air intake allows the heater to be placed directly against the wall. Included washable lifetime filter means not having to worry about replacing filters every few uses. Remote requires 2 AAA batteries (not included).