Trend DAR/500 Digital Angle Rule 50cm The Trend 50cm digital angle rule calculates internal and external angles swiftly and precisely and is perfect for woodworking, construction & machining. Marking and setting out has been made easy, the days of squinting at a rule or carefully setting a sliding bevel to a protractor are over. FEATURES Digital display for angles Stainless steel rule with metric/imperial scale, scale length 500mm and 18-1/2 inch Measuring range from 000.0 deg to 360.0 deg, with accuracy of 0.3 deg Rule locking function Easy operation with two press buttons Auto-shut off in 6 minutes Spare battery available ref. BAT/CR2032/3V SPECIFICATION Measuring Range: 000.0 deg to 360.0 deg Resolution: 0.1 deg Accuracy: 0.3 deg Weight: 360g Voltage: 3 volt