Combo. Infra-Red And Ultra-Violet Lamp-Cast Base Offers dual therapy in one unit * Includes 300 watt infra-red heating element along with an 800 watt U.V. bulb * Caster base lamp adjusts in height from 42 - 62 1/2 and extends over the bed to 12 * Includes a 10 minute timer and a rocker switch to alternate from infra-red to ultra-violet *