Description
Description
The SEEMEE 400 is a completely upgraded version of the SEEMEE 300: 360° follow light + high-transparency optical light guide strip to achieve no blind spots and strong warning; upgraded with FTR multi-light interconnection and team synchronised flashing technology, and also supports intelligent brake warning/vibration wake-up, ANT + bike computer pairing and light control, empowered by multiple core black technologies, making it smart and convenient, and doubling the riding safety efficiency.
Features
- Dual high-power LEDs output up to 400 lumens for strong road presence and added safety.
- Signature OptiTracing light projects a 360° glowing halo for all-around safety.
- Powered by a 1600mAh battery, delivering up to 107 hours of runtime.
- ANT+ integration enables direct control via Garmin, Wahoo, and Hammerhead computers.
- FTR LightSync enables remote sync between front and tail lights for streamlined use.
- Smart brake sensor triggers a full 400-lumen alert for added stopping safety.
- PelotonSync Flash syncs with nearby taillights for coordinated group visibility.
Light modes
| Mode | Lumens | Main light | OptiTracing light | Runtime (h:min) |
|---|---|---|---|---|
| Low | 15LM | 15-0LM | 19:00 | |
| High | 90LM | 90-0LM | 08:30 | |
| Night flash | 45-75LM | 60LM | 08:30 | |
| Day flash | 400-0LM | / | 18:00 | |
| Eco flash | 30/0LM | / | 107:00 |
In the box
- SEEMEE 400 x1
- Seat post mount x1
- Saddle mount x1
- Mounting strap x2
- Type-C charging cable x1
- User manual x1
Product Reviews
Product Reviews
Sent directly from our partner
Sent directly from our partner
Special Order
Special Order
Special Order items are ordered for you from our supplier. Your whole order will be held until all items are in stock and will ship in 10-14 days.
If you are ordering other items which are in stock, you may wish to order those separately so they ship without delay.

