Specification:<br /><br /> <br />  <br />  <br /> <br /> <br />  <br />   <br />    Product name:<br />   <br />    NITECORE EC20 Outdoor Adventure LED Flashlight<br />  <br />  <br />   <br />    Brand:<br />   <br />    NITECORE<br />  <br />  <br />   <br />    Model:<br />   <br />    EC20<br />  <br />  <br />   <br />    Emitter Brand<br />   <br />    CREE<br />  <br />  <br />   <br />    Emitter Type:<br />   <br />    XM-L2 T6<br />  <br />  <br />   <br />    Material:<br />   <br />    Constructed from aero grade aluminum alloy w<br />  <br />  <br />   <br />    Mode:<br />   <br />    High960lm, middle210lm,low50lm, lower1LM<br />    <br />    Strobe,sos,location beacon<br />  <br />  <br />   <br />    Runtime:<br />   <br />    1h(h),5h15min(mid),28h(low),520h(lower)<br />  <br />  <br />   <br />    Battery Configurations:<br />   <br />    1 x 18650\/2 x CR123A(NOT INCLUDED)<br />  <br />  <br />   <br />    Working voltage:<br />   <br />    3.7v 18650 battery<br />  <br />  <br />   <br />    Switch Type:<br />   <br />    clicky<br />  <br />  <br />   <br />    Switch Location:<br />   <br />    body side of the flashlight<br />  <br />  <br />   <br />    Impact Resistant<br />   <br />    1.5 meters<br />  <br />  <br />   <br />    Brightness:<br />   <br />    Maximum output of up to 960 lumens<br />  <br />  <br />   <br />    Range:<br />   <br />    up to 222 meters<br />  <br />  <br />   <br />    Peak beam intensity:<br />   <br />    12450cd<br />  <br />  <br />   <br />    Lens:<br />   <br />    Toughened ultra-clear mineral glass<br />    with antireflector coating<br />  <br />  <br />   <br />    Carrying Strap:<br />   <br />    included<br />  <br />  <br />   <br />    Waterproof:<br />   <br />    IPX-8 waterproof<br />  <br />  <br />   <br />    Color:<br />   <br />    black<br />  <br />  <br />   <br />    Weight:<br />   <br />    76g without battery<br />  <br />  <br />   <br />    Size:<br />   <br />    128mm x 25.4mm(length x body diameter)<br />  <br /> <br /><br /><br />Features:<br />1.Integrated &amp;ldquo;Precision Digital Optics Technology&amp;rdquo; provides extreme reflector<br />performance<br />2.Innovative single button offers access to seven brightness levels and modes.<br />3.High efficiency constant current circuit board provides max runtime of 520 hours.<br />4.Integrated power indicator light displays remaining battery power (patented)<br />5.Power indicator's secondary function displays battery voltage (accurate to 0.1V)<br />6.Instant access to ultra-low output<br />7.Reverse polarity protection prevents damage from incorrectly inserted batteries<br />8.Tail stand capability<br /><br />Package included:<br />1 x NITECORE EC20 Outdoor Adventure LED Flashlight<br />1 x flashlight lanyard<br />1 x o-rings<br /><br />English User Maunal<br /><br />NITECORE EC20 Review on budgetlightforum.com