LED https://www.fasttech.com/category/1609/diy-kits-parts-led-emitters?f=MTMzPVhQLUxeSEk&sort=r&
Driver https://www.fasttech.com/products/1612/10001683/1122302-8-amc7135-4-group-25-modes-led-flashlight-driver-c
Coupon: BLF
Good price in the GB
http://www.gearbest.com/convoy-c8-\_gear/