[Versatile Removable Scale & Ergonomic Design]: This loupe comes with a detachable scale plate for precise measurements in jewelry crafting or electronics. Its ergonomic design ensures comfort during use, and the auto-shutoff feature conserves battery life by turning off the magnifier light after 10 minutes and the flashlight mode after 4 minutes. [USB-C Rechargeable with Long Battery Life]: Forget about disposable batteries with our 800mAh rechargeable battery that lasts over 9 hours on auxiliary light and 2 hours on strong light. Fully charges in just 5 hours with the included Type-C cable, complete with charging indicators. [10X High-Definition Magnification]: Experience crystal-clear viewing with dual 30mm optical glass lenses offering 10X magnification. Ideal for examining gemstones, coins, stamps, and PCBs. [Advanced Tri-Color LED & UV Illumination]: Equipped with three adjustable-brightness white LEDs and three UV LEDs (365-370nm), this loupe allows for detailed inspection under various lighting conditions. Easily switch between white, yellow, and UV light to enhance viewing details and detect or treatments. It's the perfect tool for professionals in labs, workshops, or doing fieldwork, trusted by jewelers, coin collectors, and electronics technicians.