<h5>Technical Specifications</h5>
<ul>
<li><strong>Max. output:</strong> 860 lm</li>
<li><strong>Beam distance:</strong> 140 m</li>
<li><strong>Max. runtime:</strong> 125 h</li>
<li><strong>Power source:</strong> 1× RCR123A (included) / CR123A</li>
<li><strong>Charging:</strong> USB-C</li>
<li><strong>Number of modes:</strong> 9</li>
<li><strong>Light color:</strong> Neutral white, red</li>
<li><strong>Water resistance:</strong> IP68 (submersion 2 m)</li>
<li><strong>Dimensions:</strong> 66 × 36 × 32 mm</li>
<li><strong>Weight:</strong> 84 g</li>
<li><strong>Material:</strong> Aerospace-grade aluminum A6061-T6</li>
<li><strong>Brand:</strong> Fenix</li>
</ul>
<h5>Package Contents</h5>
<ul>
<li>Fenix HM51R Ruby V3.0 headlamp</li>
<li>Li-ion rechargeable battery ARB-L16-950P (RCR123A)</li>
<li>USB-C charging cable</li>
<li>Spare O-ring</li>
<li>Steel clip</li>
</ul>
<h5>Warnings</h5>
<ul>
<li>Do not shine directly into eyes.</li>
<li>Do not disassemble sealed parts of the flashlight.</li>
<li>Do not recharge CR123A batteries inside the flashlight.</li>
<li>Remove the battery during long-term storage.</li>
<li>High-output modes may cause heat buildup; the protection system will automatically reduce output.</li>
</ul>















