65Drones FuriousFPV PIKO BLX Micro Flight Controller (WITH FREE 20mm to 30.5mm adaptor) - All-in-One (including PDB with LC Filter!) - Change the Way You FPV The FIRST and ONLY 20X20mm platform micro flight controller with F3 chip With Built-in heavy duty PDB 2(A BEC @ 5V Output Built-in) The 65drones version comes with FREE 20mm to 30.5mm adaptor specially designed by Timothy Znidar (Find out more at http://www.thingiverse.com/slovenian6474/designs), specially designed exclusively for 65drones. The colors of the adaptor are random. 65drones version is fulfilled by amazon FBA. Kindly contact Amazon FBA for exchange if your item does not come with the free mount