This multi-function, waterproof, LED flashlight 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 in five great color options, has a 250 lumen output, 8 degree narrow beam, includes a lanyard, and only uses two AA batteries (not included). Two AA batteries last two hours.

This light is small, compact and makes a great backup dive light.