Magicshine Seemee 400 Smart Rear Light
- In stock On the shelf in our own warehouse. Order before 2pm and it is despatched the same working day; bikes we build are built, safety-checked and despatched in 2-3 working days.
- In stock with our supplier Not on our shelves, but our supplier has it or it is already on its way to us. We bring it in as soon as you order, and the despatch estimate shown allows for that.
- Out of stock Neither we nor our supplier has it right now. Where a date is shown, more is on order and you can order now to secure one from that delivery.
- Stock to be confirmed Not on our shelves, and our supplier does not send us stock figures for it, so we cannot say how soon we could get one. Use "Check availability" and we will ask them and email you back.
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Attributes
| Lumens | 400 Lumens |
|---|
About Magicshine
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Magicshine's flagship taillight, the SEEMEE 400 pairs two high-power LEDs, putting out up to 400 lumens, with a 360° OptiTracing halo, a smart brake sensor and ANT+ control from your bike computer.
Two Striking LEDs
Dual high-power LEDs output up to 400 lumens for strong road presence.
360° OptiTracing Light
The signature OptiTracing light projects a glowing halo in every direction, so you are visible from all sides.
Smart Brake Sensor
Braking triggers a full 400-lumen alert for the traffic behind you.
Computer Integration
ANT+ lets you control the light directly from Garmin, Wahoo and Hammerhead bike computers.
FTR LightSync and PelotonSync Flash
FTR LightSync links the SEEMEE 400 with compatible Magicshine front lights, and PelotonSync Flash syncs its flash with nearby compatible taillights for coordinated group visibility.
Long-Lasting Battery
The 1600mAh battery runs for up to 107 hours in Eco Flash, and USB-C charging takes 2.5 hours.
Easy to Mount
A quick quarter-turn mount fits seatposts or saddle rails.
Features
- Max Output: 400 lumens
- Max Runtime: 107 hours
- 360° visible angle
- 25m beam distance
- 1600mAh battery, USB-C charging in 2.5 hours
- IPX6 waterproof
- 1 metre drop tested
- Auto sleep after 5 minutes, lockout function and mode memory
- Weight: 80g
- Dimensions: 64 x 32 x 35mm
Modes
- Low: 15 lumens, 19 hours
- High: 90 lumens, 8.5 hours
- Night Flash: 45-75 lumens, 8.5 hours
- Day Flash: 400 lumens, 18 hours
- Eco Flash: 30 lumens, 107 hours

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