The Nitebeam skin is an Epic Fortnite outfit. Nitebeam was available via the Item Shop for 1500 V-Bucks and you can buy it from Fortnite Item Shop when it will listed.
Fortnite Nitebeam Outfit Details
Beaming with luminous energy.
Fortnite Nitebeam Outfit PNG Images
Here is the PNG images of Nitebeam below!