The 12Vmax Red Multi-Line Laser CXT has a rotary base with an eccentric rotation mechanism to reduce its set-up time. It has four vertical lines and four horizontal lines, and can be used with 12Vmax CXT batteries. It has a running time of up to 22 hours with a Bl1041B. This rotation enables easy line positioning by allowing the laser body to rotate without the defined plumb point position changing. It features an automatic pendulum levelling system, and is rated IP54 rated for protection against water and dust. Users can select up to three different brightness settings. Features and Benefits: Red laser line 4V4H (4x Vertical lines plus 4x Horizontal lines) 3x full 360-degree laser lines Compatible with 12Vmax CXT batteries Rotary base with eccentric rotation mechanism: Reduces setup time. Vertical laser lines can rotate around the defined plumb point up to 10� left and right (with a dial for fine adjustment). Eccentric rotation mechanism enables the laser body to rotate without changing the position of the defined plumb point, enabling easy line positioning. Automatic, pendulum lockable levelling system 3x selectable brightness settings IP54 (dust and splash water) rated protection No battery or charger supplied