Industrial quality Inconel stainless steel hot/cold temperature chamber. Inside dimensions 8" x 8" x 9" deep. Three adjustable height shelves. Comes complete and ready to use with OMEGA 920 3 1/2 digit LED Digital Thermometer and J/TC Temperature Probe. Top access portal for CO2 cooling. OMEGA 920 relay output to control CO2 flow valve for regulated cooling. Precise temperature control dial: 38°C - 260°C (500°F) range. Selectable power range for controlled temperature rise times: 125W / 250W / 525W. Side panel mount over temperature adjustment dial trips power if an over temperature situation occurs. Use supplied OMEGA 920 relay with low setpoint for CO2 cooling.