Features Automatic calculation of single and double mitre angles without any other tools Rapid calculation and transfer of angles by means of memory function for frequently used angle dimensions Includes arm extension for measuring in hard to reach areas Easy to operate: acoustic signal transmitters, memory and calculation functions, and displays that can be read overhead all serve to make work easier Specification Measurement range 0° - 220° (angles) Measurement accuracy, angles ± 0.1° Measurement accuracy, vials ± 0.05° Accuracy of angle calculation ± 0.1° Power supply 4 x 1.5 V LR6 (AA) Automatic deactivation, approx. 3 mins Arm length 40 cm Weight, approx. 1,1 kg Length 432 mm Width 35 mm Height 61 mm Calculation function Memory function Standard Equipment Arm extension Protective case 4 x 1.5 V (AA) batteries Warranty Click above logo for details and to register your warranty; please note to qualify for the 3 year warranty you must register your tool within 4 weeks of purchase date KINDLY REMINDER: Delivery to the UK Highlands, Channel Islands, Northern Ireland, Isle Of Wight, Isle Of Man and the following postal code areas: BT, FK, KA (1-30), PA(1-49), PA(60-78),PA80, PH, PH(11-40), PH(41-44), PH(49-50), AB, IV, KW, ZE, GY(1-10), JE(1-5), PO(30-41), IM, IR, HS are excluded from our standard delivery charge and may incur extra costs.