CatEye AMPP 400S delivers bright, reliable illumination for everyday rides. Compact, durable and USB-C powered — perfect for city and commuting use.
The CatEye AMPP 400S is built for riders who need dependable visibility on roads, bike paths and daily commutes. Its 400-lumen OPTICUBE™ LED produces a clean, uniform beam, while the HyperConstant mode boosts daytime visibility by combining steady and flashing output.
Lightweight, weather-resistant and USB-C rechargeable, it’s a compact safety upgrade you instantly feel on every ride.
Key features & technologies
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OPTICUBE™ lens technology
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Daytime HyperConstant visibility mode
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USB-C charging
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IPX4 weather resistance
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Battery indicator
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FlexTight™ tool-free mounting bracket (22–32 mm)
Technical specification
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LED: high-power LED with OPTICUBE™
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Brightness: 400 lumens
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Modes:
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High – 2 h (400 lm)
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Medium – 4 h (200 lm)
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Low – 8 h (100 lm)
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HyperConstant – 6 h (400/100 lm)
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Flashing – 60 h (100 lm)
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Battery: Li-Ion 3.7V – 2200 mAh
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Charging time: approx. 4 h
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Port: USB-C
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Bracket: FlexTight™ H-34N (ø 22–32 mm)
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Weight: 106 g (with bracket & battery)
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Dimensions: 36 × 100.5 × 38.5 mm
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Water resistance: IPX4
Shipping:
We ship within Poland, across the entire European Union, and worldwide.