NEW IN BOX Features & details TDP Heat Lamps with large head size as far-infrared heating lamp by the U.S. FDA. The heat produced by our Infrared heat lamp does not utilize high heating temperature, yet still allows excellent Infrared penetration through the skin. TDP works with coil heat and a mineral plate (no light bulb needed). The Mineral Plate (6.5" in diameter, life span of up to 1,500 hrs) emits Far Infrared Rays when heated. Please wait at least 10-20 minutes for heat. Typical treatment sessions should last a minimum of 40 min per area. 110V Detachable head - simply unplug the cord that connects the head and the main frame when replacing.