This 2*L2 Aluminum 2-Bulb 5000LM 4 Modes LED Headlamp(4*18650) is a kind of functional tool in many fields， such as tunnel， railway， and subway construction， archaeology， underwater rescue， etc. Also， It is helpful for outdoor enthusiasts. Made of superb aluminum and with CNC exquisite process， the outer shell is strong in strength and guaranteed in durability. Adopting two CREEN bulbs， it is very bright and performance in lighting which can generate high Lumen light. Besides that， supplied by four 18650 lithium batteries， this headlamp is environmentally-safe and pollution-free. Rechargeable batteries are practical and recyclable. It is really a gorgeous choice!                                    Features             Adopt imported UCL lens and full aluminum alloy loop<br> Feature fine light condensation and excellent illumination <br> Wearable and anti-corrosive outer shell <br> Streamlined design gives you excellent hand feel<br> High heat dissipation， compact and lightweight size， convenient to carry<br> Suitable for patrol， search， rescue， camping， hiking， fishing， hunting， home use， etc <br>                                                            Specifications            Brand        <br>Model    L2    <br>Bulb Quantity    2pcs    <br>Battery Configuration    4 x 18650    <br>Input Voltage    4.2V    <br>Swith Location    Backside    <br>Swith Type    Touch    <br>Modes    4    <br>Mode Arrangement    Strong/Medium/Weak/Flashing    <br>Brightness    2400Lumens    <br>Lightbulb / LED Lifespan    100，000hours    <br>Material    Aluminum    <br>Lens    UCL Lens    <br>Weight    9.7oz / 275g    <br>Color    Black/Red/Grey/Blue/Gunmetal (Send by Random)    <br>Dimensions    (23.62 x 1.65 x 1.18)" / (60 x 4.2 x 3)cm (L x W x H)    <br>Carrying Battery    2 Battery Packs    <br>Carrying Charger    1 Charger    <br>Waterproof    No    <br>Focus Adjustable    No    <br>                                                            Package Includes            1 x LED Headlamp<br>2 x Rubber Bands <br>1 x Battery Pack (4.2V)<br>1 x Leather-Capped Battery Pack<br>1 x Recharger<br>1 x Pow Adapter<br>