The laser measure has function of automatic calculation of area and volume and others. Just take the laser anywhere you need, no need to carry a caculator again. Multiple measurement models: digital tape measure has model of Distance, volume, area measurement, continous measurement, pythagorean measurement, height measurement, angle measurement. Widely used with this measurement tap. Laser Distance Meter are perhaps most often thought of as a contractor’s tool, they’re also valuable for architects, realtors, and keen DIYers.