||Heavy duty all in one pen type thermometer. C/F, 0.1 degree. Meter can default the measuring unit to C or F. Two type display, normal or reverse, easy for operation. IP67 rated water proof and protection. Data hold to freeze the display value. Bright LCD display. Microprocessor circuit ensures high accuracy and provides speacial functions and features. Auto power off saves battery life. Operates from 4 x UM4/AAA batteries. Durable, long-lasting components, enclosed in strong, compact ABS-plastic housing.