Brighter lights for shorter days.

Safety first, the AMPP400 comes with maximum side visibility, securely held in place with our adjustable FlexTight™ bracket. Featuring OptiCube™ lens technology, it provides 400 lumens of bright light with superior side visibility. A double-click of the power button activates high mode and allows you to quickly adapt to changing ride conditions while its four light modes provide the longest run times of any light in the AMPP series.

SKU: 5340840

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    Rechargeable headlight (400 lm)
    Wide beam with OptiCube™ lens technology
    Excellent side visibility
    Low battery indicator (Illuminates in red with less than 20% battery remaining)
    USB rechargeable (Micro-USB cable included)
    Mode memory function
    Four light modes (High / Low / Daytime HyperConstant / Flashing)
    Turns on High mode with double-click of power button
    FlexTight™ bracket
    Improved release button has made it easy to remove the light unit from the bracket
    Helmet mount and center fork bracket (optional)

    Run time

    High (400 lumens): 2hrs
    Low (200 lumens): 4hrs
    Daytime HyperConstant (400/200) lumens: 6hrs
    Flashing (200 lumens): 60hrs

    Tech Specs

    Dimension:34 x 100 x 37mm
    Weight:117 grams (light unit and battery)
    Light source:High intensity white LED x1
    Battery:Li-ion rechargeable battery (3.6V-2200mAh)
    Recharge time:approx 4-8hrs (USB2.0 recharge)
    Recharge/discharge number of times:about 300 times(until the rated capacity drops to 70%)
    Water resistant:IPX4

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    Returns Policy

    We gladly accept returns of unused, undamaged or defective merchandise purchased online within 60 days from the original purchase date.

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    Customer Reviews

    Based on 4 reviews
    Solid headlight.

    Works very well. Highly recommend!

    Carl Crume
    Great Device

    Very bright light for day or night use. Very affordable. Comes off the mounting bracket easy enough to take with me. I really think that I made the right decision in purchasing it.

    Yosley Rodriguez Garcia
    Excelente luz para mi bicicleta

    Muy buena relación calidad/precio.

    Ankur Agrawal


    • Trusted Since 1954

      For over 60 years, CATEYE has been committed to manufacturing products with quality you can trust.

    • Japanese Innovation & Technology

      CATEYE originated the first LED bicycle headlight and continues to be a leader in innovation and technology.

    • Industry Leading Support

      All products come with a robust 2 year warranty and support when you need it.

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