The Stabila TECH 500 DP Digital Protractor provides a measuring range of 0° to 360° via 4 x 90° quadrants A T-groove and V-groove plus an integrated rare earth magnet allow a range of options for mounting the tool in place Compact and robust it is waterproof and dustproof up to IP65 The TECH 500 DP features durable anodised measuring surfaces It has a digital display with large digits and lighting for optimal readability even in poor lighting conditions Supplied in a protective bag Specifications Display modes ° mmm inft Input power 2 x AA batteries supplied Accuracy ±005° at 0° and 90°; ±02 at 1-89°