The Bosch BLAZE™ GLM 42 135 Ft. Laser Measure is a fully featured, easy-to-use tool, with a display guide that uses words, letters and icons to walk the user through each measurement process. The easy-to-read backlit color display improves the visibility and usability of the laser measure. It provides real-time length, length, area, volume and indirect measuring functions, and it has a 20-measurement storage capability and addition/subtraction functionality. This tool includes default real-time measurement mode, adjusting the measurement the closer to or further from the target the laser measure is. The digital bubble vial provides a visual reference when measuring horizontal distances. Thanks to its laser precision technology and real-time measurement mode, it takes instant and reliable measurements up to 135 Ft., to size up the job in seconds. It is accurate up to ±1/16 In.