Infrared?Laser?Aligner?Horizon?Vertical?Cross?Line?Measure?Tape?Ruler?8FT 100%?Brand?New.?High?Quality New?Laser?Level?Horizon?Vertical?Measure?Tape?8FT?Aligner Hang?shelves?and?cabinets，?tiles?and?picture?frames?with?accuracy Projects?horizontal?or?vertical?laser?light?beam Locking?8-foot?measuring?tape. Standard?and?metric?rulers Ideal?For?Any?Job?That?Requires?A?Straight?Line?Or?Accurate?Measurement. Use?this?Multipurpose?Laser?Level?for?hanging?pictures，?installing?shelving， laying?flooring，?hanging?wallpaper?and?more. Laser?light?has?an?on/off?power?switch. Laser?max?output:?less?than?0.5mW Powered?by?3*AG13?button?cell?battery?(included) keep?the?laser?level?away?from?water?，dust?and?sunlight Specifications: Size?:?18.5?(L)?x?6.2(W)?x?2.8?(H)?cm Packaging?size:?210*80*40mm Color?:?Black Net?weight:?184g Package?weight:?199g Original?box:?NO ? Packaging?content: 1?x?Level?Laser 3?x?AG?13?Button-Cells