• Electronic Self-Leveling Horizontal & Vertical Rotary Laser System • Designed for indoor and outdoor applications • Electronically-controlled dual slope feature • Electronic self-leveling horizontally and vertically • Laser beam modes include dot, two adjustable line lengths and two rotational speeds • Two rotational speeds: 120 and 500 RPM • Visual and audible alarms when beyond leveling range • Height of Instrument/Tilt alarm function ensures product accuracy • 40-6521 Includes > Laser, contractor grade aluminum tripod, 13" aluminum grade rod with carrying bag, multi-function mount, NiMH rechargeable battery pack, 6V battery adapter, remote control with 9V battery, detector with 9V battery and clamp, magnetic target, tinted glasses, instruction manual with warranty card and a hard-shell carrying case