Giant Recon HL 1100 Headlight Description: Aside from outstanding lumen capacity and industry-leading usage time, The Giant Recon HL 1100 Headlight monitors ambient light to change output accordingly, helping to save battery power for when you need it. Shine brighter, run longer and work smarter. Features: Smart Mode light sensor monitors ambient light to adjust light output accordingly ANSI certified lumens and run time Focused optics with side light design for over 270-degrees of visibility Heat-dissipating CNC-machined aluminum casing Power status indicator alerts remaining run-time before powering off Includes adjustable GoPro mount Run Time: High, 1.5 hours (1100LM) Middle, 3.5 hours (500LM) Low, 7 hours (275LM) Flash, 33 hours (100 LM) Smart Mode Day, 36 hours(100LM>275LM) Smart Mode Night, 3.5 hours (500LM) Specifications: Brightness: 1100 Lumens (Front) Battery Type: Rechargeable (USB) Run Time: Up To 36 Hours (Front) Beam Color: White Color: Black Weight: 107g (Front without mount)