Display Size - 30 x 12 mm, Temperature Range --50ºC to 300ºC (-58ºF to 572ºF) , Probe Size - 147 mm Pen Type Thermometer Button Functions: 3 Buttons 1) ON/OFF, 2) ºC/ºF, 3) HOLD Main Unit, Battery and Instruction Manual. Air Conditioning, Food & Catering, Agriculture, Automobiles, Photography, Refrigeration, Process control, Laboratory, Heating, Energy management, Greenhouse.