"COMPUTER, COMBUSTION EFFICIENCY, TEMPERATURE RANGE 0-1999 DEG F., FUEL SELECTIONS COAL NO. 2 AND 6, OIL, NATURAL GAS, AND PROPANE, PRINTER/3 INCH THERMAL PAPER, 40 CHARACTERS PER LINE, 115 VAC, 60 HZ OR RECHARGEABLE NI-CAD BATTERIES, PORTABLE ALUMINUM CASE, CONSISTS OF WATER TRAP, SMOKE CHART AND TEST PAPER"