HIGH PRECISION - Using laser precision technology, accuracy up to 0.3-50M with measuring accuracy of 1.5mm, measuring distance extends up to 39;50m away; Switchable between M/In/Ft for free adjustment. With 2 unique bubble levels that allow for more precise measurement compared to a bubble. LCD BACKLIGHT AND SILENCER ADJUSTMENT - The large backlit screen 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 PRACTICAL - IP54 waterproof and dustproof function protects the measuring device to the greatest extent laser distance. Portable size and hard rubber body ensure good grip; With the wrist strap, you can hold the measuring device firmly and carry it easily. Rangefinder Specifications: Units of measurement: m / ft / in / ft + in high precision Area, volume measurement Indirect Pythagorean theorem Addition and subtraction Continuous measurement Min. / Max value Data storage 50M Digital Laser Distance Measurement Date storage and Large LCD display Data storage date up to 99 groups. Large 4-line LCD display with backlight. 6 Units to Choose from: 0.000 m 0.00 m 0.0 in 0 1/16 in 0'00 1/16 ~ 0.00 ft 6 data display methods. Multiple Measuring Functions: Single / continuous measurement (differentiate between maximum and minimum values) Area measurement, volume measurement and distance measurement Indirect measurement with the set of Ideal Thanksgiving Gifts and Christmas Gifts for Family and Friends WelcometoMeet