40m laser distance meter 鈼?With 3 line LCD display, High accurate measuring +/-2mm, Multi unit selection of meter, inch and feet 鈼?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 鈼?Supports data hold and data clear function, Supports data store/recall function, IP54 protection Auto power off 鈼?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. Product Parameters Product nameD series laser range finder ModelD40m D60m D80m D100m Measurement range0.05-40m 0.05-60m 0.05-80m 0.05-100m Measurement accurancy卤2.0mm Distance unitMeter, foot, inch Laser wavelength620-690nm Laser classII Working temperature0~40掳C Battery typeAlkaline AAA 2x1.5V Battery measurement times锛?000 times WeightAbout 72 g Size110x40x24mm Button Functions Optional Reference Point 20 SETS OF DATA STORAGE Supports data hold and data clear function,20 data records and recall function which are useful for reviewing and calculating Automatic turns off Display backlight will turn off after 30 seconds no operation. Laser will automatically turn off after 30 seconds no operation. Auto powder off after180 seconds no operation. Single measurement continuous measurement area measurement volume measurement Pythagoras two points (indirect measurement) Structure Map Packing Details Other Colors BlueLaser Distance Meter suppliers website:http://www.willingcorp.com/measuring-tools/laser-distance-meter/