A CATEYE AMPP400S black bike light features a white power button, clear front lens, USB-C charging port, and adjustable handlebar strap. The light is shown turned on.

Close-up of the CATEYE AMPP400S black bike light with USB-C charging, mounted on handlebars against a blurred outdoor background and metal fence.

Close-up of the CATEYE AMPP400S bike light in black, mounted on handlebars and turned on, emitting a bright white beam. The USB-C charging port is visible, with handlebars and part of the bike in the background.

Close-up of a black CATEYE AMPP400S bike light on handlebars, highlighting its USB-C charging port and part of the mounting bracket, with a blurred outdoor background.

A close-up of a CATEYE AMPP400S bike light in black, mounted on handlebars with a USB-C charging port, set against a blurred outdoor background.

AMPP400S

Name: AMPP400S
Brand: CATEYE
SKU: 5344020
Price: 34.95 USD
Availability: InStock

$34.95

The new AMPP400S offers a balance of safety and convenience with its 400 lumen OptiCube™ lens and five light modes. This versatile bike light can be adjusted to fit any bike with its FlexTight™ bracket, and the double-click-to-high function allows for quick adjustments to changing ride conditions. The AMPP400S also features a power switch that acts as low battery indicator, and a modern USB-C charging port.

Product variants

SKU: 5344020

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LIGHT MODES

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AMPP400S

$34.95

Bright and consistent

I was unsure if this would be bright enough for commuting to work in the wee hours of the morning, but this light has pleasantly surprised me. I also love that this is rechargeable and fit my old Cateye mount (from 2008!). Customer for life

AMPP400S - Like It !

The AMPP400S has: High, Medium, Low, Low with Blink, and Plain Blink. Whatever mode you are in when you turn it OFF, it returns to when next turned ON. For daytime I ALWAYS use Plain Blink for safety, and to enhance my being seen. Modes are simple to change. Mounting/demounting to recharge is easy. Low with Blink works well going around my street light neighborhood. Medium or High I use in darker areas. Am surprised with its brilliant light.

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AMPP400S

Customer Reviews