Biosphere Flux, hand in hand with Alstom railway, changes the luminaires of TRAM Murcia
![](https://biosphereflux.net/intranet/storage/d8463371f86847f79161185821da139c-6MYXglxK0l5A9Win-1668076775.jpg)
Biosphere flux has designed LED tubes under EN50155 and EN50121 certification, with rotatable heads, SMD connectors to ensure that the tubes do not make a single noise, and a power of 16 W to create an ideal atmosphere inside the cars.