The Stabila REC 500 RG Rotation and Line Receiver quickly and accurately determines the beam position of rotation lasers or pulse-modulated line lasers with red or green laser diodes, even over large distances outdoors or in bright indoor lighting. It has a two-sided digital display for fast work. Visual indication with arrow symbols on the display shows the position of the receiver relative to the reference plane of the laser. It also has optional multi-colour LED guidance (red, orange, green) and acoustic guidance (beeping tones for which the volume can be set). With four sensitivity levels for application-oriented work & plusmn 0.3mm (very fine), & plusmn 1.0mm, & plusmn 2.0mm, & plusmn 5.0mm (very coarse). The casing is waterproof and dustproof in accordance with protection class IP67 providing protection against rain during outdoor use and against dust during drywall construction. It has a variety of mounting options, a holder for attaching to levelling rods and an integrated magnet system. Specification Battery Life 50 hours Protection Class IP67