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: °, %, mm/m, in/ft Input power: 2 x AA batteries (supplied) Accuracy: ±0.05° at 0° and 90°; ±0.2 at 1-89°