Flexible Applicationsecond: Beyond crystal and jadeite detection, this instrument is also effective for identifying other valuable gemstones, making it a essential tool for jewelers, gatherers, and enthusiasts Excellent Materialsecond: Constructed from alloy and visual glass, this device proposals extraordinary durability and stability, providing clear and consistent detection conclusions over extended use Accuracy Detectparticlemail: Specifically developed for validity verification of crystals and jadeite, this instrument quickly identifies various stone varieties, ensuring accurate standard assessment of jewelry Compact and Portablemail: Weighing approximately 130 kilograms, this thin and transportable instrument accommodates easily into a handbag otherwise pocket, making it ideal for use in jewelry shops, shows, and daily inspections User Friendly Planumberebog: Hard wearing a clear display and inherent indicators, this device is simple operate, suitable for both specialists and casual users, Manufacturer: GMBYLBY