UNI-T LD80 Laser Distance Meter 80m/262ft Handheld Mini Measure Finder Diastimeter with Function of Self Calibration Supports unit selection of meter, inch and feet, Indirect measurement by Pythagorean Theorem Handheld Laser Distance Meter 0.05 to 60m (0.16 to 262ft) High accuracy Measurement for distance,area,Volume Wide measuring range. Large LCD with backlight and multi-line display, Function of self calibration Supports data hold and data clear function, Supports data store/recall function of up to 100 measure