- Material: ABS plastic for durable, lightweight use - Hold function to lock detection results, allowing easy recording without re-measuring - Supports relative and absolute measurement with angle and slope conversion for flexible setup and verification - 4 by 90-degree measuring range for versatile right-angle and angular measurements with quick response - Magnetic base enables firm attachment to metal surfaces for stable, hands-free use Use scenarios - Installing metal shelves or brackets: attach to a metal frame, verify 90-degree alignment with the 4 by 90-degree range, lock the reading with the hold function, and record the result - Woodworking or metal fabrication: switch between relative and absolute measurement to set up parts, convert angles or slopes as needed for precise cuts or assemblies - Machinery setup and inspection: verify angles and slope of machine components, using the magnetic base for steady placement on metal surfaces