Features:

• Max 300 lumens / 53.5 hour runtime in Flash mode
• New 800 mAh battery. Larger battery, longer runtimes
• New mounting style to fit shorter seat posts with USB plug and cable
• Wide angle optics with 270 visibility for maximum safety
• Aero seat post compatible
• Lightweight and durable
• Detects when you are breaking to emit a bright light alerting others you're stopping
• Micro-USB rechargeable
• IPX7 water resistant co-molded design