Diamond Tester Tool Portable Jewelry Selector with LED Indicator Sound Alarm Function for Watches Sapphire Gemstones Lightweight Plastic Material Includes 2 Lithium Batteries

[FAST & ACCURATE TESTING] This portable diamond selector tool provides quick and reliable testing for sapphire and other gemstones. Its advanced technology ensures precise hardness and stability assessments, making it a must-have for jewelers and watch enthusiasts. The efficient performance saves time while delivering trustworthy results every time.[VISUAL & AUDIO ALERTS] Equipped with a bright red LED indicator and clear sound reminder, this diamond tester instantly notifies you when a genuine sapphire is detected. The dual alert system enhances accuracy, ensuring you never miss a real gemstone while testing various types of stones.[METAL DETECTION ALARM] The built-in metal alarm function prevents accidental contact with metal surfaces by emitting a continuous buzzing sound. This smart feature enhances safety and convenience, making it ideal for jewelry shops, pawn stores, and personal gemstone collections.[CLEAR & EASY READINGS] Designed for user-friendly operation, this portable diamond tester provides straightforward and easy-to-read results. Whether you're a professional or a beginner, the tool ensures accurate assessments with consistent performance, eliminating guesswork in gemstone verification.[LIGHTWEIGHT & TRAVEL-FRIENDLY] Crafted from durable yet lightweight plastic, this diamond selector tool is perfect for on-the-go testing. It includes 2 long-lasting lithium batteries and a sleek PU leather case, making it convenient for travel, gem shows, or everyday jewelry inspections.Spec:Item Type: Portable Diamond Selector Tool Material: PlasticBattery Type: Lithium Battery(Include)Battery Model: AAA BatteryBattery Capacity: 900mAhBattery Quantity: 2pcsPackage List：1 x Diamond Tester Tool 2 x Batteries1 x PU Leather Case1 x User Manual1 x Iron PieceNote：

• [FAST & ACCURATE TESTING] This portable diamond selector tool provides quick and reliable testing for sapphire and other gemstones. Its advanced technology ensures precise hardness and stability assessments, making it a must-have for jewelers and watch enthusiasts. The efficient performance saves time while delivering trustworthy results every time.
• [VISUAL & AUDIO ALERTS] Equipped with a bright red LED indicator and clear sound reminder, this diamond tester instantly notifies you when a genuine sapphire is detected. The dual alert system enhances accuracy, ensuring you never miss a real gemstone while testing various types of stones.
• [METAL DETECTION ALARM] The built-in metal alarm function prevents accidental contact with metal surfaces by emitting a continuous buzzing sound. This smart feature enhances safety and convenience, making it ideal for jewelry shops, pawn stores, and personal gemstone collections.
• [CLEAR & EASY READINGS] Designed for user-friendly operation, this portable diamond tester provides straightforward and easy-to-read results. Whether you're a professional or a beginner, the tool ensures accurate assessments with consistent performance, eliminating guesswork in gemstone verification.
• [LIGHTWEIGHT & TRAVEL-FRIENDLY] Crafted from durable yet lightweight plastic, this diamond selector tool is perfect for on-the-go testing. It includes 2 long-lasting lithium batteries and a sleek PU leather case, making it convenient for travel, gem shows, or everyday jewelry inspections.