The Bosch Blaze Pro 165' Laser Measure (GLM165-40) is a fully featured yet simple-to-use tool. It provides an easy-to-read backlit display that illuminates the measurements, and it delivers real-time distance, distance, area, volume and indirect measuring functions. It has a 10-measurement storage capability. This measure has addition/subtraction functionality, so the user can add or subtract measurements. It includes default real-time measurement mode, adjusting the measurement the closer to or further from the target the laser measure is. Laser precision technology and real-time measurement mode allows for instant and reliable measurements up to 165', to size up the job in seconds.