Gemini Iris USB Rechargeable Rear Light

What are the delivery costs?

We offer Free UK Mainland Delivery on all orders over £20. Products shipped to outlying UK regions are excluded from free shipping.

Standard delivery is normally 2 - 5 working days.

Please view our delivery page for full information on UK and international delivery costs.

Be Visible with 200 Lumens

giving 200 lumens and weighing just 42g (including battery), the Gemini IRIS LED Rear Light is a perfect mix between precision and performance. Tackle your commute with confidence knowing that the Gemini IRIS Rear Light has got your back.

Seat Post and Clip Mounts Included

Versatility is the name of the game. The Gemini IRIS Rear Light can be attached anywhere on your bike frame using the Seat Post mount with an O-ring, or attached to your backpack (or jersey) with the Clip Mount.

USB Rechargeable Lithium Ion Battery

Forget to charge before heading to the office? No problem. With the in-built lithium ion battery, the Gemini IRIS Rear Light can be charged anywhere with a USB port.

Flexible Runtimes with a Smart Battery Indicator

With up to 22-hours of run time from one 90-minute charge, the Gemini IRIS Rear Light is as efficient as the Tokyo subway. To help make sure you’re never caught out in the dark, the smart battery indicator will let you know when it’s running low on juice.

User Programmable Brightness Levels

Pander to your inner control freak, with 4 modes (2 flash, 2 pulse) each with 5 programmable brightness settings, you’ll never be short of options no matter the conditions.


DUO features:

Max lumens - 200 Lumens

Factory modes:
Flash – High (100L)
Flash – Low (10L)
Pulse – High (100L)
Pulse – Low (10L)

*Five programmable brightness settings: 5-15-25-50-100%
LED Battery Indicator


Run time:

2:00 hrs – Flash 100L
11:00 hrs – Flash 10L
4:00 hrs – Pulse 100L
22:00 hrs – Pulse 10L


In the box:

  •     Light
  •     Seat Post Mount
  •     Clip Mount
  •     USB Charger Cable
  •     Allen Key
  •     O-Rings

Occasionally, without notice, manufacturers change product design and/or specifications.