The Fluke 424D is our most sophisticated laser distance meter packed with versatile features to save you more time in more situations. It extends your measurement reach to 100 m (330 ft). It offers a bigger, four-line display, a built-in compass, and a 180 deg. inclination sensor for leveling and height tracking. brul liMeasures up to 100 m (330 ft) /li liHigher accuracy: +/- 1 mm (0.04 in)/li li4-line display shows you even more data at a glance/liliInclination sensor assists with height tracking, leveling, and indirect horizontal distance measurements when line-of-sight is blocked by an obstacle/liliCorner angle feature, allows you to determine the angle of a corner/liliCompass provides a "heading" for your distance measurements/lililiStores 20 complete displays for quick recall/liliBacklight/liliTripod mode allows you to mount the meter to a tripod when measuring long distances/liliFull Pythagoras function for height measurements/liliAudible keypad feedback/liliStake Out feature helps you mark out defined lengths such as when constructing wooden frames/liliAutomated End-piece Correction for measuring from an edge or corner – a built-in sensor detects the position of this bracket and automatically changes the reference point/liliMinimum/Maximum function/liliEnhanced environmental protection: IP54-rated as dust and water spray resistant/liliImproved battery life of 5000 measurements with auto shut-off feature/li/ul