wide meansuring range, memory function, inner bracket,applied to A/C control and food industry. widely used for refrigeratio temperature measuring range:-50°C~+250°C. Power: DC1.5V 7# alkaline battery(optional)functions: fashionable appearance, stainless steel sensing tips,lengthened wire,box design, convenient to store,inner bracket, wide measuring range,memory function,applied to A/C control ...