Designed for indoor and outdoor applications Electronically-controlled dual slope feature Electronic self-leveling horizontally and vertically Laser beam modes include four adjustable line lengths and three rotational speeds Three rotational speeds: 0, 300 and 800 RPM Visual and audible alarms when beyond leveling range Height of Instrument/Tilt alarm function ensures product accuracy 40-6559 Includes > Laser, Li-ion rechargeable battery pack, alkaline battery compartment (batteries not included), Li-ion battery adapter, remote control with 9V battery, detector with 9V battery and clamp, magnetic target, tinted glasses, wall/ceiling mount, aluminum tripod, 13 ft. grade rod, instruction manual with warranty card, hard-shell carrying case