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.
Dimensions: 2.5" x 0.4" (2.5" x 1.2" with clamp band)
Fits handlebars with a 31.8mm clamp size
NOTE: The Photo shows the light enlarged for extra detail
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