4 Channel Trainer Dual RX Controller for Coach and Student Module Compatible Futaba WFLY by sky

4 Channel Coach Dual RX Controller Coach and Student Module Compatible with Futaba WFLY ? Description: Item: Training Module Channel: 4 Channels Switching Path: 2 Operating Voltage: 3.7-8.4V Load Current: 10A Dimensions: 50mm (Length) X27mm (Width) X9.3mm (Height) Weight: 6.3g (without cable) : Used to learn how to use the radio system Features: Under the brand agreement, different brands of radio systems can be combined to get out of the shackles of traditional trainers Coaches and students do not require the same brand of TX / RX Coach Identify who controls the airplane User Manual Click here to include: 1 x Trainer module. If you have a size or color choice, please email me with your choice or will be sent randomly.