GoolRC Original Walkera Runner 250 Advance GPS Backpack Version 6 RTF Drone with DEVO 7 and 800TVL Camera/OSD/GPS RC Quadcopter Equipped with 800TVL HD camera. Adopting the CFP meterial for the main body, the racer possesses superior toughness and strong anti-impact ability. 5.8G real-time image transmission system and OSD function bring you unforgettable visual enjoyment. Equip with dual GPS moudule, it can realize GPS hold mode and one key return home. Exteme speed with tactile control, ultra fast speed of 35-40km/h.