AGATEC DM100 - Handheld Laser Distance Meter
The DM100 features a two-line LCD display
  that displays measurements, battery level
  and calculations.
At the touch of a button,
  the DM100 allows the user to quickly
  measure linear distances, continuous
  measurements, areas and volumes. The
  DM100 features the ability to add and
  subtract linear measurements thereby
  reducing errors in manual calculations. 
The
  DM100 is the perfect measuring tool for
  distances over 15ft or where tape
  measures or conventional measurements
  cannot easily be used. Just aim the DM100
  at a specific target, press a button and
  instantly the measurement is made.
  With an accuracy of ±0.08” and a measuring range up to 100ft, the DM100 is the perfect measuring
  tool for estimators, appraisers, real estate agents and many other professions.
Powered by two-AAA
  batteries, the DM100 will take up to 3000 measurements, and will automatically power off after three
  minutes of non-use. The DM100 displays measurements in Feet/Inches, Decimal Inches and Metric
  units and easily converts between different units at the touch of a single button.
Handy and strong, this   distance meter measures the distances up to 30 meters with a precision of   +/- 2 mm.
  All your projects can be now measured in a fraction of   second. Agatec DM100 proposes the basic functions of a distance meter,   as:
  - The taking of measure.
  - The automatic calculation of   volumes and surfaces.
- The calculation of perimeter.
  
 Applications
- Laying parquet, carpet
  - General distance measurements
  - Painting
  - Tailing
  - Checking plans