SINGLE CHAMBER BLANKET/FLUID WARMER, OUTSIDE DIMENSION:18"W X 15.5"D X 22"H. SOLID DOOR. Standard Features with cabinet: Keyed temperature lock out, Push button digital operation. Large dual digital displays. Displays actual temperature and set point at all times. Separate digitally controlled heating chambers. Rapid warm time (2 - 6 hours depending on load) Uniform heating Fully insulated Audible and visual over-temp alarm.