westernbikeworks.com/product/light-motion-urban-400-light

Everything a bike commuter could ask for.

The Urban 400 is a compact yet powerful handlebar mounted light with safety side LEDs and environmentally friendly USB rechargeable battery. A handlebar mount and helmet mount are included. Available in Coal (Dark Grey) or Sunset (Light Grey).

Features:

400 Lumen output
USB Rechargeable Li-ion battery
112 gram system weight (claimed)
Handlebar and helmet mount included
Burn times:

High: 1.3 hours
Medium: 3.0 hours
Low: 8.0 hours
Flash: 18.0 hrs

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