Serfas USL-1 USB Front Light
The Serfas USL-1 has 1 bright LED that produces 12 lumens worth of light. It is USB rechargeable and requires no external batteries. The USL-1 has a burn time of up to 6.5 hours. The USL-1 also has a Hi-Beam, Lo-Beam and 2 flash modes.
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