Designed for peak performance in the harsh environments， the Nitecore HC50  XM-L2 565LM Outdoor LED Headlamp is perfect for hiking， camping， cycling and other outdoor adventures. The top grade  XM-L2 LED it uses gives off two super bright white beams up to 565 lumens， illuminating up to 150 meters away. Ten brightness modes are sure to satisfy your specific needs. Moreover， mineral glass cover with anti-reflection coating ensures a better effect. And it has a waterproof outer case made of aero grade aluminum alloy. Click and order now! It surely is worth your investment!                                    Features             Utilize top grade  XM-L2 LED<br> Give off two super bright white beams up to 565 lumens<br> Mineral glass cover with anti-reflection coating<br> Waterproof outer case made of aero grade aluminum alloy<br> Perfect for hiking， camping， cycling and other outdoor adventures<br> High efficiency circuit board， up to 400 hours continuous runtime<br> Innovative switch offers easy access to all functions<br> Integrated battery and power indicator<br> Ten brightness modes for you to select from<br> Built with temperature sensor and smart temperature control circuit for extra protection<br> Attached with a comfortable nylon head band   <br>                                                            Specifications             Light Source     LED    <br> Power     10 W    <br> Color Temperature     5000 ℉    <br> Working Temperature     30 °C    <br> Tripod Length     0 mm    <br> Life Span     50000 hour    <br> Light Color     White    <br> Light Range     150 m    <br> Luminous Flux     565 LM    <br> Current     1.5 A    <br> Power Supply     18650/2 x CR123A    <br> Working Time     400 hour    <br> Charging Mode     The Charger to Charge    <br> Lighting Distance     100 m    <br> Weight     155g / 5.47oz    <br> Material     Aluminium Material    <br> Voltage     4.5V    <br> Color     Black    <br> Dimensions     (3.39 x 1.26)" / (8.6 x 3.2)cm (W x Dia.)     <br>                                                             Package Includes            1 x Spare O-ring<br>1 x LED HeadLamp<br>