GVDA - Model SW-X30A and SW-X30D -Roller Laser Distance Meter

This is Dual Measurement tool Roller and Laser distance meter, which have several different measurement model such as, Linear / Curved / Arc / Irregular Measurement.  Linear Measurment is used to measure the furniture and home decoration measurement. Curved Measurement is suitable for difference surfaces, Arc measurement is suitable for different arc lengths. Ultra long distance measurement of 100m In wheel model. Free switiching for SW-X30D Laser ranging model and Roller mode ,Five kinds of datum point switching adapt to different environments.with Magnetic suction design on the back which is easily to adsorbed!