There has been an increase in popularity of Wall Convection Heaters and Qmark/Marley has introduced a product with dual usage that also can be a portable heater with the included wheels attached. The WPC1500 is 120 Volt (500/1000/1500 watt) and must be plugged into a nearby wall outlet with the three prong grounded cord set. (The removable wheel kit allows the unit to be wall mounted near electrical outlet.) It is thermostatically controlled and applications include primary or supplemental room heating for bedrooms, family rooms, enclosed porches, game rooms, small offices, etc. Tip-over switch and linear limit for added safety.