Feature●Diamond Testing Accuracy: Distinguishes genuine diamonds from fake crystals and simulants with high accuracy.●UV Light: Equipped with ultraviolet light to test the fluorescent reaction of stones, providing additional authenticity verification.●Convenient Operation: Operate with a 9V battery (not included) or connect to an A/C adaptor (not included) for long-time indoor use.●User-Friendly Design: Multi-level volume calibration for precise testing and compatibility with different sizes of stones.●Complete Set: Includes a vinyl leather pouch case, heavy-duty testing p, and English instruction manual for a complete testing experience.Description