It is a digital manometer that is used for measuring pressure. It has LCD with backlight, so it works great even in poor lighting conditions. Maximum / Minimum / Average value with relative time stamp with zero adjust option. Offset and DIF functions along with auto power off. Efficient power management with low battery indication. It has a data hold feature that is a boon for storing data of important measurements. It provides fast and precise results. USB Computer Interface that comes in a soft carrying case supplemented by a booklet manual, one battery, USB cable and CD software.