Hobbysky Walkera Devention Devo Radio Transmitter 3 Position Short Switch - FAST FREE SHIPPING Compatible With: Walkera QR X350 PRO | Walkera Tali H500| Walkera X350 Premium | Walkera Runner 250 (R) Advanced GPS Walkera Runner 250 Racer Suitable for : Walkera X350 Premium | Walkera Runner 250 (R) Advanced GPS | Walkera Runner 250 DIY Suitable for : Frsky Taranis X9D | Spektrum DX6e |Spektrum DX8