The CatEye AMPP400S/ViZ100 Rechargeable Light Set is designed for commuting, road riding, and low-light cycling, giving riders a practical way to add dependable bicycle illumination or rider visibility.

A key verified specification is light output 400 lm.

Key Features

• AMPP400S (front): Up to 400 lm, broad angle beam, 5 modes including Daytime HyperConstant and Flashing, low battery indicator, mode memory, USB-C rechargeable.
• ViZ100 (rear): 3 LEDs, 100-lm output in Daytime HyperFlash mode, 300° visibility, multiple modes (Constant / Flashing / Group Ride / Daytime HyperFlash), mode memory, battery auto-save.
• Mounting versatility: The front unit uses a FlexTight™ bracket (fits Ø22-35-mm), with optional helmet or fork mounts. Rear uses Snap System / SP-15 bracket (Ø21.5-32.0-mm).
• Rechargeability & runtime: AMPP400S recharges in ~4 h (1 A), ViZ100 in ~3 h (0.5 A).
• Visibility Detail: All-around visibility system - strong front lighting + rear safety for day or night use.

Benefits

• Supports clearer rider visibility in the conditions and positions described by the manufacturer.
• Provides a purpose-built lighting option for compatible bicycle mounting locations.
• Helps riders select the correct front, rear, dynamo, or rechargeable configuration.

Best For

• Commuters and everyday cyclists selecting compatible bicycle lighting.
• Riders replacing or upgrading a front, rear, or complete light system.

Specifications

• Brand: CatEye
• Model: AMPP400S/ViZ100 Rechargeable Light Set
• Product Type: Light Set
• Light Output: 400 lm
• Compatibility: Mounting versatility: The front unit uses a FlexTight™ bracket (fits Ø22-35-mm), with optional helmet or fork mounts.
• UPC: 725012038420
• SKU: BI.915500