The Bosch BLAZE™ One GLM165-10 165 Ft. Laser Measure features Auto Square, which automatically calculates the square footage totals with a push of a button. The easy-to-read backlit display delivers outstanding visibility and usability. This laser distance measurer includes default real-time measuring, adjusting as you move closer to or further from the target, just like a tape measure. The BLAZE™ One takes instant and reliable measurements up to 165 Ft., to size up the job in seconds, with an accuracy up to ±1/16 In. Thanks to its laser-precision technology, it fits in any pocket for easy access. This jobsite-tough tool is IP54 rated and is built to withstand rainy or dusty conditions.