Cateye Rapid X Usb Rechargeable Rear Light (50 Lumen):

The revised Rapid X is now even brighter! Now pumping out an impressive 50 lumen of 180 degree visible light! The Rapid X may look like a normal Cateye light but this neat compact rear light offers a level of light intensity like no other. Visible from 180 degrees and using a neat band fitting system it can be placed in
several different positions on the bike, from seat post to seat stays.

• Ultra bright strip LED technology
• Li-Polymer battery technology up to 50 lumen output
• Complex circuitry for safe charge and discharge
• USB recharge (2 hrs)
• O-Ring attachment
• 6 modes: High / Low / Flashing / Rapid / Pulse / Vibration
• Runtime: 1 - 30 hours depending on mode
• Dimensions: W 22.5 x H 27.2 x L 73.2mm