40m laser distance meter
1.With 3 line LCD display, High accurate measuring +/-2mm, Multi unit selection of meter, inch and feet
2.Double injection laser distance meter enables durable and well build, non slip rubber material around the edge enables a solid grip and the buttons respond nicely
3.Supports data hold and data clear function, Supports data store/recall function, IP54 protection Auto power off
4.With multiple measurement modes like distance, volume, area measurement, continuous measurement and measurement by Pythagoras, the laser level is ideal for home, construction and industries, especially in large areas such as rooms, apartments, buildings, real estates, factories, warehouses, etc.
link:http://www.willingcorp.com/measuring-tools/laser-distance-meter/40m-laser-distance-meter.html