AL250: Brighter for 2016, this multi-function LED light is suitable for diving and other outdoor activities -- hiking, running, camping, fishing, etc., as it can be used on land or underwater. The Bigblue AL250 comes with, a lanyard, and only uses 2 AA batteries. Upgraded to 1100 lumens for 2016, this light is a versatile addition to the Bigblue Dive Lights line-up, offering a powerful 1000 lumens and an 85 beam angle. This light is a great option for GoPro or other camera systems, as the light is sold with a red filter and mounting clip for easy system set-up. The Bigblue AL1100WP offers a battery gauge, a push-button switching mechanism, as well as a rechargeable lithium-ion battery (charger included) and can be easily replaced with an optional spare battery.