New! Gen3 smart tool-from the leader in digital levels. The new Gen3 digital level from smart tool gives you precision, durability, and is easy to work with! it features a new backlit digital display, 5 function angle calculations, including inches per foot and mm per meter, and is easy to calibrate! when you need accuracy, depend on smart tool Gen3!. water & dust proof for durability. Backlit digital display for easy reading. Easy to calibrate!.