Model No.: : TM-80N_TM-82N Product Description - Dual LCD 5-digit display. - Single input (TM-80N), dual input (TM-82N). - Auto power off with disable function (15 minutes). - Max/Min/Avg/Hold function keys. - °C/°F switchable. - REL, OFFSET, T1-T2 (TM-82N) .