Laser Distance Meter 50m (NF-271-50)

Laser distance meter, 50m  Features:  A laser distance meter is a widely used tool in construction, home and household that indirectly measures distances and performs calculations (Pythagorean distance formula).  Purpose: to measure the perimeters, areas, volumes of a room or object. Continuous measurement function: The laser is switched on continuously and the device measures the distance to the point to which the laser is directed. The bright (Class 2) laser point of the meter will be easily noticeable in both light and dark hours of the day, making it easy to measure the required data. LCD FSNT display with backlight, remaining battery indication. Compact shape, easy to use, durable body. Protected against moisture and dust - protection class IP54. Warning: laser radiation - avoid direct eye exposure. Batteries are purchased separately.
 Functions:  Large numbers. Clear illuminated display. Distance / area / volume measurement. Measurement according to the Pythagorean distance formula. Single / continuous measurement. Units switch m / ft / in. Benchmark selectable.
 Specifications:  Max. measuring distance: 50m. Measurement accuracy +/- 1.5mm. Laser class: II, 620-680nm, <1mW. Batteries: 3x 1.5V AAA (not included). Data storage: 50 units. Protection class: IP54. Operating temperature: 0°C ~ + 40°C. Storage temperature: -20°C ~ +60°C. Automatic device switch-off: 2 min. Size: 119x50x26mm Weight: 100g.
 Warranty: 24 months.  https://youtu.be/eJUtmW7nr3M?feature=shared