HIGH PRECISION - Using laser precision technology, accuracy up to 0.3-50M with measurement accuracy of 1.5mm, measurement distance extends up to 50m; Switchable between M / In / Ft for free adjustment. With 2 unique bubble levels that allow for more accurate measurement compared to a bubble. LCD BACKLIGHT AND MUTE ADJUSTMENT - The large backlit display gives you better visibility in dark areas. With the mute function, you can activate or deactivate the acoustic signal as you wish. Suitable for use in libraries, classrooms and other quiet places. MULTIPLE MEASUREMENT FUNCTIONS - area, distance, length, volume, continuous measurement, Pythagorean method - three points; Addition and subtraction; Low battery indicator; 99 groups of data storage; Delete data manually; Automatic shutdown after 150 seconds without operation to save electricity. DURABLE AND CONVENIENT - IP54 waterproof and dustproof function protects the laser distance measuring device to the maximum extent. Portable size and hard rubber body ensure good grip; With the wrist strap, you can hold the measuring device firmly and carry it easily. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin