Angle Ruler, Preciva Digital Finder Ruler Protractor, 400mm Length and Measure with LCD Display, Stainless Steel Woodworking Detector, Hold/Rev, Mm/Inch for Construction (Silver)

[Large LCD Screen] The 2-in-1 angle ruler is equipped with a large LCD display for easy reading; measuring range: 0~999.9°; accuracy ±0.3°; resolution 0.1°. [Hold/Rev Function] You can keep the data just by pressing the HOLD button; by pressing the Rev function button, you can flip the screen to read when measuring large angle, more easy and considerate; And laser engraving scale, clear and accurate, will not fall off [Zero] Short press the Zero button, the value will be reset to zero at any angle to achieve a higher accuracy. The locking screw is used to maintain the measured angle and value at any time; it will automatically close after 6 minutes of inactivity. [Hard-wearing to Use] The durable stainless steel body is more durable; an equipped CR2032 battery could last up to 2000 hours. [Combination] The combination of digital stainless steel ruler and protractor can make accurate measurement; the hinge mechanism on the angle ruler allows a complete 360° internal measurement and reverse angles.