Magicshie SEEMEE 400+ ANT Smart Tail Light

SEEMEE 400 Smart Tail Light – Intelligent Bike Rear Light (400 lm)

360° visibility. 100% ready.

SEEMEE 400 is Magicshine’s flagship rear light, designed to elevate cycling safety to a new level. With powerful 400-lumen output, smart brake detection, and full 360° visibility, it’s ideal for road cyclists and urban riders alike.

Key Features

• Up to 400 lumens – powerful visibility in all conditions
• 360° OptiTracing light – glowing halo for all-around visibility
• Optillumin lens – balanced beam with wide side visibility
• Smart brake light – automatically boosts brightness when braking
• 5 modes: Low, High, Night Flash, Day Flash, Eco Flash
• Up to 107 hours runtime
• USB-C fast charging (2–2.5 h)
• IPX6 waterproof – built for tough weather
• Lightweight aluminum body (80 g)

Smart Connectivity

• ANT+ support – control via Garmin, Wahoo, and Hammerhead devices
• PelotonSync Flash – sync flashing with nearby lights
• FTR LightSync – remote control support (optional)
• Automatic wake-up via motion

Technical Specifications

• Light source: LED
• Max output: 400 lm
• Battery: 3.7V / 1600 mAh
• Runtime: up to 107 h
• Charging: USB-C
• Charging time: 2–2.5 h
• Visibility distance: up to 25 m
• Dimensions: 64 × 32 × 35 mm
• Weight: 80 g
• Material: aluminum alloy

In the Box

• SEEMEE 400 rear light
• Saddle rail mount
• Seatpost mount
• USB-C charging cable
• Cable ties (2 pcs)
• User manual

Applications

• Road cycling
• Urban riding
• Daily commuting

Why Choose SEEMEE 400?

SEEMEE 400 is a smart, powerful, and reliable rear light that improves visibility and safety in all riding conditions.