COYEUX Professional Diamond Gemstone Tester, Portable Electronic Diamond Tester Pen, with Retractable Probe, Tip 0.6mm, LED Digital Display, Metal Alarm Buzzer, for Novice and Expert

Product Description Product Name: Portable Diamond Tester Probe Tip: 0.6 mm Power Source: Battery-powered Product Dimensions: 3.4 × 2.4 × 7.5 inches Minimum Temperature Requirement: 18°C Package Contents: Main Unit ×1

• 【Retractable】Features a retractable thermoelectric probe tip that automatically adapts to the gemstone's surface, ensuring consistent, uniform pressure between the probe and gemstone for enhanced detection accuracy.
• 【LED Display】Equipped with a high-definition, clear LED display for intuitive readings, capable of accurately detecting gems as small as 0.02 carats. The probe tip is a slender 0.6mm, compact and sensitive, suitable for various gemstone testing scenarios.
• 【Features】Supports continuous, uninterrupted testing without warm-up delays. Features a clear, easy-to-read LED display with low-battery alert functionality. Incorporates low-power energy-saving design for extended battery life and worry-free operation.
• 【Metal Alarm Buzzer】Built-in metal alarm buzzer effectively prevents accidental contact with metallic objects, ensuring the probe tip maintains stable contact only with the gemstone during testing. This significantly enhances identification accuracy.
• 【Wide Application】 With its stable and reliable professional performance, this product is widely adopted by gemological institutes, testing laboratories, jewelry manufacturers, diamond grading organizations, and various retail jewelers worldwide.