This digital protractor has a range of 360° split into 4 x 90° quadrants. With simple calibration, it has an intelligent display that changes orientation at 90° and 270° to remain readable. It has a 'V' groove on the top and bottom for easy placement on acute angled or cylindrical objects and comes with a 3V lithium battery that gives up to 2000 hours use. Features and Benefits • Supplied with a leatherette pouch possessing a belt loop to allow you to easily transport, protect and store your product • 'V' Groove on the top and bottom allows for easy placement on acute angled or cylindrical objects • Supplied with a 3V Lithium battery that provides up to 2000 hours of use • Display changes orientation at 90° and 270° to remain readable no matter the angle • Possesses a range of a full 360° (split into 4x 90° quadrants) Typical Applications • Construction • Woodworking • Brick Laying • DIY