Stainless Steel Digital Ruler Protractor: combined of ruler and protractor, this kind of 2 in 1 digital display angle ruler is easy to measure inside and outside angles; The hinge or pivot point that allows you to adjust the ruler to the desired angle and stainless steel material is hard and sturdy, prolonging the service time of the protractor Multi Functional Angle Finder Ruler: accuracy of the protractor is ±0.3 degree and on ruler edge has metric(cm) and imperial(inch) measurements; Allow a full range of 0 to 360 degrees to measure at any angle; Folded length about 8 inch / 200 mm; Angles are displayed in degrees and minutes, degrees to 2 decimal places, resolution of 0.05 Convenient to Use Angle Ruler: LCD Display makes the level box easier and clearer to read the values; Three buttons make you easily operate the protractor, 'HOLD' helps hold the measurement at any angle, [ °/′ ] helps the transform, 'ON/OFF/ZERO' helps power on or off and re zero function; Automatic power off after 5 minutes Digital Level Angle Gauge Magnetic: this digital inclinometer features a sturdy and stable magnetic base, whcih can adhere to the surface of any metal measuring object, ensuring accuracy and preventing easy detachment; 360° measuring range, accuracy of the gauge is ±0.2 degree, degrees to 2 decimal places, resolution of 0.05 Convenient to Use Angle Gauge: LCD Display of the inclinometer has high visibility reverse contrast when you work in dark environments and displayed values automatically flip when reverse the level box; 'HOLD/Tilt%' button helps measurement modes switch from absolute measurement and relative measurement. Material: Metal+Plastic colour: As shown Package Contents: 1 x Digital Angle Finder 1 x Digital Angle Ruler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.