1886-0100 Digital Angle Finder, Measurement Range 0 Degrees to 180 Degrees , Accuracy 0.1 Degrees , Size 2 In., Number of Level Vials 0, Number of Plumb Vials 0, Vial Type N/A, Vial Material N/A, Number of Magnets 3, Magnet Type Rare Earth, Power Source 3V Lithium Battery, LCD Display, Housing Material Aluminum, Features (2) Button, Relative Measurements, Secures to Any Magnetic Surface, Includes 3V Lithium Battery, Carrying Pouch