1.Measurement - Digital LCD display for easy reading. Accuracy 0.3. Resolution 0.05. Relative and absolute angle measurement. Hold and zero functions.2.Multi-Function Measurement - Used in combination with stainless steel straightedge and wedge with angle sensor. Measures angles and lengths (metric and imperial).3. Reset and Hold - Use the reset button to zero any angle for relative measurements. Press and hold the button to hold the angle at all times. Automatically shuts off after 6 minutes of inactivity.4. Easy to Read - Easy to read LCD display shows accurate measurements at once with the data hold function.5. The hinge mechanism on the angle ruler allows for a full 360 degree measurement inside and out.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store