Atkins DM120S0-3 Refrigerator Thermometer -40 To 120 F Height 1/2″lcd, Display Inner Diameter 2 5/16″dial Includes 1.5v, Battery Instruct Y Material Stainless Steelhousing, Note Used On Most Walk-in Refrigerators Nsf Certified Y, Outer Diameter 3 7/16″back Mount Temp Range -40 To 120, Degfor Celsius Product Type Remote Sensor Can Be Mounted, Up To 36″ From Thermo Weight .289lb Width 1 1/4″lcd, Display