Product details:

The 99-026K Laser Level builds on the 99-002K model, providing key upgrades to serve the contractor working small residential jobsites, or for a contractor's first laser purchase. The laser is identical to that of the 99-002K, but features rechargeable batteries (it can also run on AA's). It also features a hard-shell contractor's carrying case to hold all system components, and upgrades to a LCD laser detector more suitable to professional use.