AMSTON Laser Level: Self-Leveling Cross Line Laser + Plumb Bob Lasers Tool, Includes Clamp & Carrying Pouch; Ideal For Construction, Tradesmen, DIY, Craftsmen, and Professional Use UNLIKE OTHER LASER LEVELS ON THE MARKET the CLD-3 combines a cross line laser level with a plumb dot tool (for accurate floor-to-ceiling alignment of two points) providing you with 2 construction tools for the price of 1! QUICKLY SELF LEVELS when within 4 degrees of level - ideal for indoor projects including tile alignment, framing, electrical, wall studding, drop ceilings, lighting, windows, doors, stair carpentry, plumbing, and other home or commercial projects. ACCURACY .19 inch at a range of 30 ft. and Bright Class II laser (max output 1mW @ 635nm) mean precision and efficiency while you're working. SIMPLE, 2-BUTTON OPERATION to easily select between fixed, horizontal, vertical, cross line, and plumb dot modes so you can project lines together or independently. Pendulum locks in place when in Off Mode. Ever drop your tool and break them? This tool comes in rubberized protective housing. INCLUDES 1-YEAR WARRANTY, EASY-TO-ADJUST METAL SPRING CLAMP & CARRYING POUCH. Mounts easily to any standard 1/4" tripod. Easy-access AA battery compartment (batteries not included).