LED LightsThe expert flashlight for ry appraisal is equipped with high-power and long-life LED beads. Its white light is 6 watts, providing excellent brightness for ry inspection. The flashlight is small and portable, making it ideal for use on the go. Just put it in a backpack and you are ready to go 4 Light SourcesThis flashlight is equipped with double heads with four different light sources, which allows you to meet the needs of different ry identification. It offers 365nm and 395nm light for gemstone inspection, white light for general illumination, and yellow light for highlighting ry details. You can choose the appropriate light source according to your needs. USB Rechargeable The flashlight has a built-in large-capacity battery, which can be recharged via USB. This allows you to easily recharge it using the included charging cable. The flashlight is made of aluminum alloy and stainless steel, making it durable and strong, with a long service life. Light Indicator The flashlight is equipped with a power charging indicator, which allows you to easily know the battery charging status. When the switch turns green, it means that the flashlight is fully charged and ready to use. This allows you to know when to stop charging to avoid overcharging the battery. Protection Function This flashlight has an overcharge and overdischarge protection function, which prolongs the battery life. It also provides power protection, ensuring safe and reliable operation. The flashlight offers different lighting options, including high and low intensity for white light, 365nm UV light and 395nm UV light. Specifications: Material: Aluminum alloy + stainless steel Color: Red Light source: 365nm + 395nm + white light + yellow light Lighting gear: white (high light-low light), yellow (high light-low light), 365nm UV light, 395nm UV light Battery: Built-in lithium-ion battery Charging mode: USB port Head diameter: Approx. 18 mm/ 0.71 inch Length: Approx. 149mm/5.87in Weight: Approx. 282g Packing List: 1 * Flashlight 1 * Charging Cable