Model No. CH-107 Measuring item Food Temperature Feature Pen Type high temperature + waterproof PVC keyboard Stainless steel probe protect case + back clip Key operation [ON/OFF],[MAX/MIN],[/],[HOLD] Temperature range -50~ 300,-58~ 572 Temperature resolution 0.1/0.1 Temperature accuracy 1 within-10-200,2 otherwise. Power supply LR44 Battery Stainless steel probe 70mm length(Dia 4mm) #304 stainless steel probe LCD size 22*8mm Unit size 150*20*15mm