Lumen Output: 35 Run Time: Up to 100hrs Weight: 82g Battery: Alkaline AAA x 2 Daylight Visible Flash (DVF) A wearable safety light clip onto various straps, belt loops, etc. Visible up to 1 mile Internal reflector = visible if light on off mode Easily replaceable AAA batteries Super bright day time flash mode Be Seen by cars = Be Safe FL 1 Standard IP64, water resistant