The Bosch GPL5C self-leveling five-point laser projects plumb, level, and square as well as cross-alignment lines on floors and ceilings, eliminating the need for two setup points. It has three light diodes for projection and a 100-foot range. Selection options are three horizontal points for 90-degree alignment and leveling; up and down crosspoints with a 90-degree horizontal point; and five points with crosspoints. Price: $325. 877-267-2499. www.boschtools.com.