Hotrc CT-6A CT-4A 6CH 4CH 2.4Ghz Radio System Transmitter Remote Controller with
Channels: 6CH. 6CH receiver:All six channels are PWM signals. -Channels: 4CH. can be directly inserted into the 2S lithium battery balance port, convenient and practical. -Weight: 195.8g. Reaction speed: PWM:≤20ms.