Features: Reliable digital display. LCD display with backlight makes it easy to read numbers even at night. The LCD screen displays the measurements on your hand makes it easy to check the numbers. Comes with a flip up freestanding stand. Includes storage nylon case. 2 wheel type for stable straight ride. Minimum display: 0.02 m (0.02 m); Equipped with area calculation; Comes with mode switching function that is convenient if there is a wall; Measurement range: 0.08 - 3999999.98 m; Wheel diameter: 6.3 inches (160 mm); Length - Total length: 26.8 - 44.1 inches (680 mm); Power supply: 27 g); Power supply: 27 g). 4 alkaline batteries x 2. Book (included); Auto Power Off: Yes, about 5 minutes after last operation or staying; Number of Display Digits: 9; Uses: Various architectural construction and quotations, insurance surveys and sports, etc.