Prexiso X2 Laser Distance Measure Demo Video - YouTube
Laser Tape Measure Hacking - SparkFun Electronics
Amazon.com: PREXISO Laser Measure, 265Ft Rechargeable Laser Distance Meter with Multi-Measurement Units M/in/Ft, Backlit LCD 4 Line Display, and Pythagorean, Distance, Area, Volume Modes : Tools & Home Improvement