The UCI should require leadout trains to be ‘lead’ by riders with these mandatory lights. The point being, stay in your own lane!
On a more serious note, for those who ride their bikes at night, this would be one of the several safety precautions you should take.
The product is made by X Fire a company based in the US, their goal is to “make safety lighting systems for all bicyclists out there to help them to be seen and be able to see better ways.”
A quick review by the Guardian can be found here.
An excerpt from the Guardian review, “From the rider’s perspective, the beams are certainly impressive – a pair of lasers projecting a bright red “force field” around your bike makes you feel like something out of Star Wars. But if you’re not careful, you could easily spend more time looking at them rather than the road ahead, at least until the novelty wears off.”