Professional measurer that calculates angles, including mitre angles, at the touch of a button. Hold function saves the measurement on the display. Precise angle transfer using mechanical locking screw. Also features leg extension, illuminated display and approximately 80 hours of battery power. No calibration required. Supplied in protective bag. Aluminium Construction Measures from: 0 - 220° Accurate to ± 0.01° Digital Display Auto Power Off in 30 Minutes IP54: Splashproof 3 Year Manufacturers Guarantee (Registration Required, T&Cs Apply) Mitre Angles Aluminium Construction Measures from: 0 - 220° Accurate to ± 0.01° Digital Display Auto Power Off in 30 Minutes IP54: Splashproof 3 Year Manufacturers Guarantee (Registration Required, T&Cs Apply) Mitre Angles