BOSCH GLM 165-40 BLAZE Pro 165ft Laser Measure features an easy-to-read backlit display that delivers measurements, distance, square footage, volume and indirect measuring functions. BOSCH GLM 165-40 BLAZE Pro 165ft Laser Measure features a 10-measurement storage capacity with a addition/subtraction functionality to add or subtract measurements and a real-time measurement mode adjusting the measurement the closer or further from target. BOSCH GLM 165-40 BLAZE Pro 165ft Laser Measure has precision laser technology for instant and reliable mesasurements up to 165ft to size up any jobs in seconds and is small enought to fit in any pocket for easy eaccess on the jobsite.