Crazepony Martian II RX255 FPV Racing Drone Carbon Fiber Quadcopter Frame like QAV250 etc (4MM) Features an X design which is currently the most popular mini quad layout Quick Release Fixings aluminium mounting hardware, it allows you to swap out arms more quickly.You don't even need to remove the top plate to change arms any more Made of high quality carbon fiber,designed to sustain crash, Rack with power distribution board, Note: Red PDB in the middle of the frame Plenty of space to easily fit your FPV and neatly tuck away all the wires Angled camera mount(25 -30 degree) Frame Weight:89g, package weight 137g(all hardware included)