Self leveling, compact, bright and durable. Full 360 degree level line (not a rotating laser).100 foot + /- indoor visible range depending on the amount of light in the room. 250 foot indoor / outdoor range when used with the PLS-SLD Detector (included). Accurate to 1/8" @ 100". Ideal indoors for acoustical ceilings, HVAC, wainscoting and cabinetry. Produces a clear crisp line for level. Ideal outdoors for all job site leveling to 250 feet. Perfect for foundations, custom homes, remodeling, decks and landscaping. Includes tripod and grade rod.