Johnson's most robust & accurate digital level, the "JLX" 24" programmable digital level has the accuracy & durability required for professional applications. It features pre-programmed ADA compliance, drainage & roof pitch modes that simplify measurements for the most common digital level applications, but it can also be easily customized to meet your needs. This level is easy to use - it features simple, three-button operation & its dual backlit LCD displays on the top & front put the information where you need it. Both displays automatically invert when you are taking overhead measurements. Durability is never a concern with this level - its IP65 construction provides complete protection against dust & water. It also comes with a non-marring wall grip & its crystal clear vials were designed to never fog, leak or crack. The included soft-sided case keeps your level clean & safe when not in use.