Key Features: ✅ Multi-Parameter Testing – Measures Brix (sugar content), refractive index, and temperature in one scan.✅ Crystal-Clear Triplet Optics: Unlike cheap acrylic loupes, our optical glass triplet lens eliminates color distortion and edge blur, delivering a perfectly flat, sharp field of view across the entire lens. Benefit: Make accurate assessments without eye strain.✅ Four Modes of Illumination: Tackle any lighting condition. Use Natural for true color, White for maximum brightness, Warm for reduced glare, and UV for detecting authenticity in gems and currencies. Benefit: Versatility for every professional scenario.✅ Built for a Professional Lifestyle: The sturdy, foldable design protects the lens when not in use. The USB-C rechargeable battery means you're never caught without power. Benefit: Durable, portable, and always ready.Perfect For: Jewelers & Gemologists | Watchmakers & Engineers | Stamp & Coin Collectors | Electronics Technicians | Forensic & Authentication Experts Specifications: Magnification: 10X or 30X Lens Diameter: 22mm Lens Type: Optical Triplet Glass Material: Stainless Steel Frame, Plastic Housing Light Source: 4 LEDs (UV / Warm / Natural / White) Power: Built-in Li-ion Battery, USB Type-C Charging 📦 What’s Included: 1x Rechargeable LED Loupe 1x USB Type-C Charging Cable 1x Protective Carrying Case