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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.

Specifications:
  • 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
Mounting:

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.

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MTBR Light Meter Measurements:

This light measured 40 lux on our ambient light measurement facility. This is pretty conservative compared to industry averages for its 400 lumen claims. In the laboratory, we measured acutal output to be 330 lumens.

For comparison, the first Light and Motion Urban 500 measured in at 53 lux with 466 lumens. Dinotte's own XML-1 measured in at 51 lux and 459 actual lumens. Both lights are much cheaper than the Dinotte 400 and are available under $170.

Light Meter Charts and Comparison Table »

Strengths:
  • Very versatile in applications as helmet, bar and tail light with sturdy mounting options
  • Top notch design and construction.
  • Heat dissipation is excellent
  • best switches and connectors
  • Flash mode is available but not in the way of normal operation
Weaknesses:
  • These lights are just not bright enough now a this price point.
  • There is no quick way to mount or un-mount the lights since they are bolted on

Bottom Line:

This is a great design but the LEDs have to be updated to keep up with the latest crop of XML lights

Beam Pattern Photos:



Backyard Beam Pattern Comparison Page »
Trail Beam Pattern Comparison Page »

Value Rating:

3 out of 5 Stars

Overall Rating:

4 out of 5 Stars

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 »