What are the key technical specifications of UV flashlights for rocks?

When selecting a UV flashlight for rock hunting, several key technical specifications should be considered to ensure optimal performance and functionality:

1. **Wavelength**: The most effective UV flashlights for rock hunting typically operate at a wavelength of **365nm**, which is ideal for detecting fluorescent minerals and other substances.

2. **Brightness**: UV flashlights for rock hunting vary in brightness. Some models offer up to **1200 lumens**, providing sufficient illumination to identify fluorescent minerals in low-light conditions.

3. **Battery Life and Rechargeability**: Many UV flashlights are designed with **rechargeable batteries** and USB charging capabilities for convenience and extended use. For example, the I0DO UV Blood Tracking Flashlight features a 5000mAh rechargeable battery.

4. **Design and Portability**: UV flashlights for rock hunting are often **compact and lightweight**, making them easy to handle and transport during expeditions. Some models are specifically designed to be pocket-friendly or include holsters for secure carrying.

5. **Construction and Durability**: High-quality UV flashlights may include **professional-grade filters** to enhance UV output and block visible light, ensuring pure UV transmission for better mineral detection.

6. **Additional Features**: Some UV flashlights offer **multiple modes** or adjustable focus to adapt to different hunting and tracking conditions. They may also be **water-resistant** or constructed with durable materials to withstand outdoor use.

These specifications help ensure that the UV flashlight performs effectively in various rock hunting scenarios, providing the necessary illumination to identify fluorescent minerals and other substances.

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