TRIPLE GREEN LASER BRIGHTNESSEquipped with German-made laser, Compared with other red laser levels, the brightness of the laser spirit level tool is increased by three times, which easily projects cross green laser line clearer and sharper. In addition, it consumes less power and is very stable indoors. SELF-LEVELING 2 SELECTABLE MODESIn Automatic mode, self-leveling mode is available with 4 slope range . the laser self-levels. Otherwise, Beyond 4 of inclination, the laser beam flashes to trigger an alarm to show that it is no longer level. Lock the pendulum to enter manual mode, the automatic leveling function is deactivated and locked so that the device can be used at all angles HIGH VISIBILITY AND ACCURACYThanks to the powerful laser diode, the laser lines are extremely visible and easily project a bright red cross at a 110 angle. Horizontal Line Accuracy: 2mm/10mradius. Accuracy of vertical line: 2mm/5m (radius). Range: 15 meters. IDEAL FOR CONSTRUCTION WORKit is also can be installed on a 1/4 "tripod (not included). can be rotated 360 freely for your work.< /p> ROBUST DURABILITY DROPPROOFIP54 protection against dust and water ensures working in harsh conditions Drops above ground to six sides of 1 meter without loss of functionality or precision. : the device is not suitable for extreme sunlight