Dial size:1"1.1"1.3"1.5"1.6"1.75"2.5" Case and bezel:stainlesssteel 304 Window:plastic Dial size:1"1.1"1.3"1.5"1.6"1.75"2.5"Case and bezel:stainlesssteel 304Window:plasticStem:ss304Temp range:-20°C-120°C Bimetal Thermometer Series stainless steel 304 specification