Ultrasonic Distance Measurer With Laser-Pointer-- Helps You See Exactly Where You''re Measuring!Real Estate Agents/Brokers, Contractors/Builders, Interior Designers, Remodelers, Estimators, Do-It-Yourselfers--Anyone Who Takes Interior or Room Measurements Forget the cumbersome tape measure! Use the Laser Dimension Master to measure interior distances with the press of a button! Just aim & shoot to get an instant digital readout. Measure with 99% accuracy up to 50 feet. Carry it in your pocket or briefcase, in the office or out in the field.