PROFESSIONAL MODEL 750 WATT HEATING ELEMENT * Variable Control & Timer * Features ceramic heaters that change color from coral to gray when energized * Nickel-chromium resistance wire embedded in ceramic casting provides uniform heat transmission 96% thermal efficiency with low element surface temperature * Inner body of the element is filled with ceramic fiber insulation which conserves energy maximizes efficiency and minimizes heat build-up at the terminal area * Heat-up time is 3-9 minutes to reach 90% of maximum temperature * Height adjusts 35 to 58 * 750 Watt Lamp (professional model) * Designed for use in hospitals clinics and large practices * Equipped with 3-conductor cord sets with hospital grade plugs * The control panel houses an on/off indicator light and an intensity control or 30 minute timer switch or both * The dial can be turned either clockwise or counter clockwise to select the proper heat from 0o to 100% wattage with infinite control over the first 50% of total wattage * Control provides automatic compensation for the line voltage fluctuations up to +/- 15% * 750 ceramic heating element electromag *