KOOCU HD-21 7 Inches LCD Microscope The KOOCU HD-21 is a 7-inch LCD digital microscope widely used in electronics repair, jewelry inspection, and educational settings. It is frequently rebranded or compared to models like the G1200, known for its integrated screen and adjustable metal stand. Below are the full specifications for the KOOCU HD-21: Technical … Continue reading KOOCU HD-21 7 Inches LCD Microscope