I put two rails on the top to hold my Tarot 2 Gimbal System and GoPro Hero 3 camera. It has the DJI Naza M-Lite with GPS, 570 KV Turnigy Motors, 12X4.5 Carbon Fiber Blades, Futaba 7C Transmitter, 900 Mhz 500 mW Video Transmitter, 1,300 mW Lipo Baterry for Video and Camera Gimbal, and an 8,000 mW...