... outlook,solar energy supply,lengthen metal probe,switch between C and F,temperature value memory,specially application to foodstuff ... Temp. measuring range: -50 C~+150 C3.Accuracy: +-1 C(-20 C~+80 C) ,+-3 C (-50 C~-20 C, +80 C~+150 C)4.Resolution: 0.1Specification: ... 22X210(MM) pen style thermometer WT-6