Use the UDM 50 for fast, accurate indoor measurements up to 50 feet with 99.0% accuracy. New sleek, easy-to-use design. Get an instant digital readout displayed in Feet-Inches or Meters. Instantly calculate areas and volumes. Laser pointer may also be used alone. Used by Real Estate Agents, Interior Decorators, Appraisers, Estimators, Remodelers, Designers – anyone requiring, fast, accurate indoor measurements.