Pretty good for indoor or outdoor activities， this XM-L T6 1800LM Middle Switch White Light Stretchable Headlamp Suit with EU AC Adapter &amp; 18650 Batteries will well serve you during camping， trip， climbing， hiking， fishing etc. This headlamp is compatible with bicycle flashlight. Its superb zoomable performance makes it superior to ordinary ones. Designed into stretchable style， it is rather convenient for carrying. With adjustable headband， it will provide ultra comfort and flexibility. Do have a try!                                    Features            It uses LED， producing very bright beam of light Outstanding zoomable featureEasy operation， environmental protection and stable performanceAdjustable headband offers ultra comfort and flexibilityIts output brightness can up to max 1800 lumensPerfect headlamp fits for outdoor activities， such as camping， traveling， hiking， fishing etc.Given batteries ensure the long-lasting lighting performanceCome with an EU AC adapter and 2pcs batteries                                                             Specifications             Color     Blue    <br> Material     Aluminum Alloy    <br> Emitter Brand         <br> LED Type     XM-L    <br> Emitter BIN     T6    <br> Color BIN     White    <br> Number of Emitters     1      <br> Brightness     1800LM    <br> Switch Type     Clicky    <br> Switch Location     Middle    <br> Battery Configuration     2 x 18650 Batteries    <br> Charger     Yes    <br> Dimensions     (2.76 x 1.57 x 1.38)" / (7 x 4 x 3.5)cm (L x W x H)    <br> Weight     7.76oz / 220g       <br>                                                             Package Includes            1 x Headlight<br>2 x 18650 Batteries<br>1 x EU AC Adapter<br>