Fly Sky FGr 4P 2.4 G Hz 4CH AFHDS 3 RC Receiver PWM/PPM/I.bus/S.bus Output for RC Car Boat OVERVIEW: The FGr 4P uses AFHDS 3 (Third Generation Automatic Frequency Hopping Digital System). It uses a single antenna with two-way transmission capabilities & is designed to be compact & easy to install. It can output standard PWM, i-BUS & PPM. Description: Brand Name: Fly Sky Item Name: FGr 4P Receiver Dimensions: 29 * 22 * 16.2mm Weight: 20g PWM channels: 4CHWireless frequency: 2.4 G Hz Wireless protocol: AFHDS 3 Range: 200m (ground) Antenna type: single antenna (150mm) Power: 3.5-8.4VRSSI: Supported Data port: PWM / PPM / i.bus / s.bus Temperature range: -10 ℃+ 60 ℃ Humidity range: 20% -95% Online Update: Yes Certification: CE, FCC ID: N4ZFGR4P00CH 1-CH 4: Connects the servos, power supply or other componentsi-BUS: for channel expansion or connect sensors BIND: For bind cable Battery: Connect the battery Binding:1. Insert the bind cable into the receivers bind port 2. Plug the power cable into any other port, & the receivers LED will start to flash quickly indicating that it has entered bind mode 3. Put the transmitter into bind mode; (See the transmitters instruction manual for more information)4. Binding is successful when the receivers LED will stop flashing Remove the power & bind cables from the receiver.5. Reconnect the power cable to the receiver 6. Check to make sure that the transmitter & receiver are working as expected, if there are any issues or unexpected operation follow the steps abov