•Fully automatic horizontal and vertical self leveling with out-of-level shutoff eliminates user error, ensures accuracy, and reduces set-up time•Private mode option eliminates remote control interference between multiple rotary lasers on the jobsite•A manual single sloping mode allows the user to set grade ±5°•Multi-voltage adapter accepts all DEWALT® batteries 9.6V - 18V•Protected rotary head and weatherproof design deliver interior and exterior jobsite durability•Bright, sharp, high power beam delivers maximum visibility, even over long distances•Wireless (IR) remote control operated scan mode creates a "laser chalkline" between two points for an extremely bright beam over long distances•Wireless (IR) remote control operated scan mode creates a "laser chalkline" between two points for an extremely bright beam over long distances•Digital laser detector extends interior and exterior range to 600'