Go go shopping now，we are your best choice.Features:100% Brand New and High QualityUsed to :Plumb and Align:Walls，Doors，Frames，Stud Beams，Windows and Skylights;Level Electrical Outlets;Stud and Curtain Wall Plumbing，HVAC，Plumbing， Pipe Installation，etc.Easily Lay Out Right Angles;Establish Diagonals and Footings for Decks， Porches，and patios;Grade Determination;Dry Wall.Specifications:Laser wavelength:635nmAnti-dust&Anti-water:IP-54Accuracy:±3/8''/100ft(±1.5mm/5m)Self-Leveling range:±4°Power:3 x AA alkaline batteries(NOT included)Low voltage indication:Power LED flashingMaterial: Plastic & ElectronicsSize: approx. 185 x 100 x 50mmColor: Black&OrangeNet Weight: 150gPackage Includes:1 x Laser Level MeasurerMy store，make better choice for you.