DEWALT Laser Level Cross Line Green Beam 20V Bare Tool (One Eighth Inch Accuracy Twelve Volt Battery Compatible Plumb Alignment Interior Construction) Raised Panel Bit always drain the fuel system always drain the fuel system if the unit will be stored for more than 30 days and perform routine oil changes every 50 hours of operation professional appearance for years to come 0Ah Fuel Cells) Beam Control Configuration: Individual Multi Line Control (Vertical & Horizontal) Tool Setup Classification: Bare Tool Configuration (**Battery & Charger Sold Separately) Leveling Interface Architecture: Self Leveling Pendulum Matrix with Integrated Lock Storage Case Standard: TSTAK® Interlocking Suitcase Pack Box Assembled Housing Length: 17 Outfitted with class leading green beam diodes that deliver four times the visibility of red lasers