Fangrui Product Details Easy To Bind And Very Fast Link-up, Quick And Extremely Stable In Performance.this Is An Accessory Product For Rc Car Boat. Ultra-small Size And Ultra-light Weight, Effectively Save Space And Reduce Items Weight-bearing Buillt-in Gyroscope Features Automatic Recovery Of Unexpected Offsets, Suitable For Afhds2a System Transmitter Compatible With: For Gt5 Gt2e Gt2g -i4x -i6 -i6x -i6s -th9a -tm10, Not Compatible: - -gt2b -gt3b -gt3c And Other Transmitter Whose Communication Protocol Is Afhds, Only Compatible With The Transmitter With The Communication Protocol Afhds 2a. Note:if You Encounter The Problem Of Not Being To Link For The First Time, Please Choose To Re-link. (steps: Insert The Attached Code Line Into The Receiver Bind Interface And Power On The Receiver. At This Time, The Receiver Indicator Flashes Quickly, Then Bind Button Of The Transmitter, And Turn On The Power Of The Transmitter At The Same Time, The Indicator Of The Receiver Is On And The Linking Is Successful) Due To Different Bat