The Bosch BLAZE™ pro GLM165-40 165 ft laser measure is a fully featured yet simple-to-use tool. It provides an easy-to-read backlit display that illuminates the measurements and it delivers distance, square footage, volume and indirect measuring functions. It has a ten-measurement storage capability. This measure has addition or subtraction functionality, so the user can add or subtract measurements. The BLAZE™ Pro includes default real-time measurement mode, adjusting the measurement the closer to or further from the target the laser measure is. It has laser precision technology and real-time measurement mode, for instant and reliable measurements up to 165 ft, to size up the job in seconds. It is accurate up to +/-1/16 in. It fits in any pocket for easy access.