Leeb hardness measurement method ensures precise readings for various metal materials. Features a digital LCD display with backlight for easy visibility in different lighting conditions. Supports multiple hardness scales including HL, HRC, HRB, HB, HV, HS, and MPa for versatile applications. Wireless Bluetooth probe allows for flexibility in impact direction and a communication range of up to 10m. Built-in storage for up to 300 data sets with automatic calculation and user self-calibration for convenience.