Here is a handy tool that lets you measure distances and transmit measurements to your iOS or Android device quickly. The Ridgid Micro LM-400 Laser Distance Meter has a backlit display that lets you change units with a simple button. The companion app lets you overlay measurements onto photos or sketches.
With Inclination Angle Measurement, you can indirectly measure hard to reach areas. The device has a measuring range of up to 70 meters. The large, 4-line display makes it easier to view measurements.