We have a DJI S900 system that is new and only test flown about 3 packs. We built it for a client who has paid for it and has decided that he is not going to go down the commercial path and has ask us to sell it for him. It consist of DJI S-900 A-2 Flight controller Zenmuse Z15 for Panasonic GH4 Futaba 14SG radios (2) IOSD Mark II DJI AVL585.8 Video downlink AVL 58 5.8G Clover Leaf Antenna 7" FPV monitor with Dual Rx &/Internal Batt FPV Monitor Holder Go Professional S900 Long Landing Gear Case 6 cell 16000 15/30C HighSierra Batteries (4) The Gentleman has invested $10,031.75 which includes tax and the build, program and test flight fees. This system was built by our Lead tech who has built over 100 of these systems. It is done right and flys really nice! He is open to reasonable offers and they can be direct to this post or to me.