Features: High accuracy and wide measuring range up to 100m. Quick measurement of distance, area and volume with one button operation. Automatic calculation of area and volume. Min / Max distance tracking (display value). Easy addition/subtraction of measurement. Set up front / rear benchmark. Easy targeting with bright laser pointer. Large LCD with backlight. Display illumination and multi-line display. Auto correction and error report technology. Descriptions: Battery status indication. Automatic / manual power off function. IP54 protective (dust & splash proof). Compact and handheld design, portable and convenient. Widely used in construction and industries, especially in large areas such as rooms, apartments, buildings, real estates, factories, warehouses, etc. Specifications: Main Color:Black Measurement Accuracy:+/-1 MM Laser Type:Class 2 635mm