Features: *1. Support Multiple Measurement Units & High Accuracy *2. Long pre the unit key to switch the unit *3. 2-inch Larger Screen with Backlight *4. 20 sets of historical data values can be displayed on the screen at the same time. *5. The high-precision laser head component can be measured quickly and accurately in 0.5s. Auto-level: Only measure the hypotenuse, the horizontal distance and vertical height will be calculated automatically; Auto-height: only measure 2 hypotenuses, the vertical height will be calculated automatically; Fast measurement: automatic calculation of area and volume with one button operation *6. Automatic calculation of area, volume and distance, continuous measurement. Pythagorean method-3points; good laser measuring device for covering large area: home decoration, especially in large areas such as apartments, buildings, real estates, factories, warehouses, construction, and industrie *7. The laser tape measure features a brand-new, all-in-one design. Comes with a Type-c charging cable to bring on the go. Laser Power: < 5mw, CLASS II. Description: *1. Measuring Accuracy:2mm *2. Display Accuracy: 1mm *3. Laser Claification: Cla 2 *4. Laser Types: *5. Area Volume Measuring: *6. Indirect(Pythagoras) Measurement: *7. Plus-Minus Method: *8. Data Storage Function: *9. Continuous Measurement: *10. Max and Min Measurement: *11. Multi-line Display: *12. Voice Broadcast: ( no suffix ) *13. Waterproof: IP54 *14. Operating Environment: 0~ + 40 *15. Storage Environment: -10~+ 50 *16. Battery: 300mAh L-ion *17. Laser Auto Off: 30 *18. Auto Off: 180s( 3minute ) Package Includes: 1 x Laser Range Finder 1 x Charging Cable 1 x Storage Bag