multi-function unit has levelling and angle setting options using simple -function button with accuracy ensured to plus or minus 0.2° with increments of 0.1° degree available for precision setting. inclusion of magnets within base makes this compact level perfect portable workshop accessory for setting saw tables and fences with pinpoint accuracy. Features: Multi-Purpose Measuring ToolThis digital magnetic angle finder is ideal for measuring angles, checking and altering to specific angles for bevel cuts from a table surface, and setting saw , tables, and fences with precision. Accurate MeasurementsRelative and absolute measurement conversion, angle and slope conversion, provides precise and reliable measurements with ability to measure to an accuracy of plus or minus 0.2° and increments of 0.1°. Magnetic BaseThis digital level is designed with convenience in mind, featuring a magnetic base with strong magnets to securely attach level to saw , tables, and fences. Easy to UseThis angle measuring tool has 3 function buttons. Long press "ON/OFF" to turn device on or off. Press "HOLD" key to freeze reading for easy reading. Press "" key to reset to , which is used to measure relative angles. Wide ApplicationWidely used in house decoration, building construction, automobile testing and , road and slope detection, etc. Specifications: Type: With bubble / Without bubble (Optional) Color: Black / Red (Optional) Material: ABS Measuring : 4 * 90°, 2 * 180° Display Resolution: 0.05° (