Item Type: Angle Gauge_x000D_Material: ABS_x000D_Measuring Range: 4x90_x000D_Resolution: 0.05_x000D_Accuracy: 0.2_x000D_Battery: 2 x AAA Batteries (Battery Not Included)_x000D_Working Temperature: -10 - 50How to Use:_x000D_ON/OFF for turn on or off, short press the HOLD / TILT% button, the display will keep the reading data. Long press the HOLD/TILT% button for 2 seconds, the display will change to tilt%. ZERO clearZERO _x000D_1. The measurement initially displays 0.00 on the LCD. When it displays "A" on the left "V" on the right, it means that the left is higher and the right is lower; when it displays V" on the left, "On the right, it means lower on the left and higher on the right._x000D_2. Turn on the instrument and start measuring, and read out the relative angle that is absolute horizontal._x000D_3. Press the "Zero" button to reset the value for relative measurement. 1Widely used in angle measurement in wood, automobiles, drilling machinery, etc. 2The screen supports automatic flip, which is convenient for viewing data from all angles. 3Digital angle meter, with LCD display screen, real?time digital display, support fast reading. 4The measuring range is 4x90, with sensitive response, high accuracy and small error. 5With strong magnets, it can be firmly fixed on the metal surface for easy measurement. 1 x Angle Gauge (Battery Not Included) 1 x Manual