Planet Bike Superflash- Rechargeable

USB rechargeable lithium ion battery for 36 hours of runtime from a 2-4 hour charge
Steady and attention-grabbing Turbo flashing modes
Highly visible, even in day light
Ultra compact vertical design is weatherproof, lightweight and durable
Includes bike mounts and clip mount for multiple mounting options as well as USB charging cable
Soft touch button has affirmative feel, even with gloves on
Low battery flash pattern (on/off/on/off…) indicates the remaining 20 minutes of battery life