Light & Motion Urban 650 Bike Light (2016), Black Nitro 650 Lumen output Certified to the FL-1 standard with high Powered CREE LEDs Innovative waterproof design with powerful amber safety side lights 4 modes: high: 1.5 hours (650 lumens) &gt; Med: 3 hours (300 lumens) &gt; low: 6 hours (150 lumens) &gt; Pulse: 12 hours (150 lumens) System includes: Quick release mount and MicroUSB Charge cable Designed & assembled in California with 2 year warranty when purchased through an Authorized Dealer