This is a VICTOR 1010D+ digital light meter designed for measuring illuminance up to 200,000 Lux.It features a 4-digit LCD screen, automatic/manual range switching, and a detachable sensor for flexible positioning.The device is commonly used for measuring light levels in offices, laboratories, and industrial settings.It is rated for an accuracy of roughly \(\pm 4\%\) and includes a data hold function for recording measurements.