stainless steel sensor, eco-friendly,healthly widely used in food field, family,cooking,beverage.BBQ,restaurant ,hotel temperature measuring range:-50°C~+300°C. Power: DC1.5V LR44 button battery. functions1.pen type,stainless steel sensing tip, 2.direct measure,portable,wide measuring range 3.applied to refrigerating,heating and food processing,cooking,beverage ,medical etc…… sizeproduct size: ...