Enjoy the incredible warmth and efficiency of the Optimus Tower Quartz Heater throughout the cold winter months. The unit has instant, sun-like warmth to efficiently deliver soothing radiant heat for economical comfort and convenience. Using less energy than a conventional heater, the radiant heater's user-friendly control knob allows for turning the unit on or off and for selecting the heat setting; choose from low (750 watts) or high (1500 watts) heat. Even more, the unit provides an integrated carrying handle for convenient transport from one location to the next--use it on the porch in the evenings, in the basement or garage when working on projects, or at a cabin on the weekends. For peace of mind, the unit will turn off automatically if it gets knocked over accidentally with the tip-over saftey switch or if overheating occurs with the overheat protection circuit ad warning alert light. Other highlights include cool-touch housing and ultra-quiet operation. The Tower Quartz Radiant Heater measures approximately 10.6 by 9.3 by 25.8 inches..