This MT152 100m Laser Distance Meter is designed to give special users a high accuracy, one person distance measuring and estimating tool to measure remote and difficult to reach places. This meter has the enhanced ability to take measurements in outdoor applications. Shortcut keys for addition, subtraction, Pythagoras, area and volume calculation make measuring fast and very reliable. The last 20 measurements are stored and can be transferred via Bluetooth to Android or iOS mobile devices. The IP54 double moulded rubber case is splash proof and dust resistant.