Made of top quality materials and designed based on IP65 standards. Enables measurements in units m / cm / mm / ft / inch / ft-inch. Powerful laser diode 515 nm, <1 mW, enables measurements between 0.05 - 50.00 m, with error ± 1.5 mm in total range. The device is powered by a 2 x 1.5 V LR6 (AA) battery. The green color provides high visibility in the presence of light. Resistant to shocks during shooting from body height to the ground (1.5 m). Professional use is also supported by easily usable buttons in the presence of work gloves, dust and other construction inerts. Professional product, dedicated to intensive work in construction centers