Dinotte 400L – 2012 Mtbr Lights Shootout

Lights Shootout

The Dinotte 400L consists of a 2 led lights encased side by side in a small aluminum housing. It feels extremely rugged and compact and is surrounded by lots of cooling fins. The light switch is mounted in front of the light in between the two bulbs. Power, like all Dinotte Lithium lights comes from the 2-cell and the 4-cell batteries shared with the rest of the line-up. The connector is a non-directional plug that snaps into place and keeps water out. The rubber switch is large and very easy to operate as it scrolls through the three light levels available.

Perhaps the greatest asset of the 400L is its versatility. It’s main application is as a helmet lamp but it can also be used as handlebar lamp. Heck two of these on the handlebar feeding off the same battery can be quite a bright and wide setup. And finally, it’s greatest application is… as a tail lamp. With different lenses, this light can be a mean tail lamp. With so much flashing lumens to announce your presence, no car is going to miss you. Most tail lamps are barely visible in the daytime or in bad weather. But the 400L will pierce through daylight or thick fog.

All Dinotte lights have three ‘flash’ modes for commuting. They are very effective and visible for greater visibility for oncoming traffic. These flash modes are extremely visible on the red tail lights as well. And the best part is that the ‘flash’ modes do not interfere with regular use. The user has to press the button for six seconds to enter this mode. After using other lights where the flash mode is always in the way, this feature is very welcome.

We consider the Dinotte connectors as best in class as well. They are non-directional and pop into place and are thus the easiest to connect. Last year, the connectors on our Dinotte lights were a bit stiff and and required some break-in. This year on the 400L’s, they are just right.


  • Price: $209.00
  • Claimed Lumens: 400 Lumens
  • Light Head Weight: 94 grams
  • Installed Weight: 323 grams
  • Run Time: 2.5 Hours
  • Measured MTBR Lux: 40 Lux
  • Measured Lumens: 330 Lumens


If there was a knock against the predecessor light, the 200L, it’s the mounting system. The 200L light cyclinders are mounted by resting them on a circular pipe (like a handlebar) and looping a rubber band around it. It was simple but offered no left to right aiming adjustability. The 400L is a world apart. The mounts are mounted on the the light unit and the light uses a specific mounting system depending on the application. In other word, mounting is very secure and adjustable.

Related Links

Mtbr Lights Shootout Main Page »
2012 Bike Lights Shootout »
Backyard Beam Pattern Comparisons »
Trail Beam Pattern Comparisons »
Light Meter Measurements »
Mtbr Lights Reviews »
Mtbr Lights Forum »

About the author: Francis Cebedo

The founder of mtbr and roadbikereview, Francis Cebedo believes that every cyclist has a lot to teach and a lot to learn. "Our websites are communal hubs for sharing cycling experiences, trading adventure stories, and passing along product information and opinions." Francis' favorite bike is the last bike he rode, whether it's a dirt jumper, singlespeed, trail bike, lugged commuter or ultralight carbon road steed. Indeed, Francis loves cycling in all its forms and is happiest when infecting others with that same passion. Francis also believes that IPA will save America.

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