Features:
1.6-channel 2.4G transmitter and receiver with 6 channel 2.4G.
2. Servo reverse function.
3.1-channel, 2 channels (aileron / elevator) mixing control function.
4.1-channel, 2 channels of small steering angle range adjustment function.
5.6-channel flap rudder angle adjustment function.
6. Emulator functions (analog line gift.)
7. Electronic fine-tuning.
8. Low-voltage sound and light alarm.
9. Working frequency indicator.

Technical specifications:
Transmitter: SM-TG661
Receiver: SM-RG661
Transmission Frequency: 2.4G
Receiving frequency: 2.4G
Modulation: FSK
Operating voltage: 4.8V ~ 6V
Wireless Interface: SMA
Control system: Pulse width control (PPM)
Control system: Pulse width control (PPM)
Receiver IF Bandwidth: 500KHz
Control system: 6 channels
Receiver sensitivity: ≤-100dBM
Power supply: 8 AA Ni-MH / Alkaline Battery
Operating Current: <20mA
Operating Current: <250mA
Receiver Size: 24.5X21.0X11.2 (mm)
Transmitter Dimensions: 201X192X60 (mm)
Fine-tuning mode: fine-tuning

Packing: Color box
Package Contents: Transmitter body * 1, * 1 receiver, manual * 1