The CatEye™ Rapid5 Cycling Tail Light has a unique flashing mode to make you stand out.  

• Tail light with a CPSC reflector design that exceeds the highest governmental standards.
    - 4 different modes.
    - Center SMD-LED, 2, 5mm LEDs and 2 side -mounted SMD-LEDs.
• Light: Red LED x5.
    - Battery: AAA alkaline batteries x 2.
    - Battery life: constant mode: 15 hours, flashing mode: 100 hours, rapid mode: 50 hours and pulse mode: 50 hours.
• Measures: 104 x 22 x 38.3 mm.
    - Weight: about 72 grams.
• Imported.