Description:  LM320 series digital angle meters are used to measure the precise angle in a variety of applications, designed with 2/4 sided magnetic bottom, and two-side laser design (Only LM320B) makes the measurement more accurate and convenient This series can be used in manufacturing, home decoration/DIY, and other fields requiring accurate angle measurements.     Features:  Relative / absolute measurement.  360° comprehensive measurement.  Bidirectional laser scanning.  mm/m, in/ft, %, ° (default), unit switch.  Reverse display screen.  Data hold.  Portable and lightweight.     Specification:  Measuring range: 4×90°.  Accuracy: ± 0.2°.  Resolution: 0.01°.  Display: Reverse display screen with backlight.  Laser indication: Two-side lasers.  Battery capacity: 3.7V lithium battery (300mah).  Charge: Type C charging port.  Working time: 2 hours.  Magnet base: Four-sided magnet.  Automatic shutdown: Yes.  Relative/absolute measurement: Yes.  Low battery indicator: Yes.  Frame material: Aluminum alloy.  Product color: black and red. Product net weight: 106g.  Product size: 60×60×30mm.  Standard accessories: Type-C male to female extension cable.  Standard individual packaging: Gift box, User manual.     Package Included:  1 x Digital Angle Meter.  1 x Type-C male to female extension cable.  1 x User manual