Feature: 1. This product uses the 2.4GHz Third Generation AFHDS 3 protocol. The Noble NB4+ transmitter and FGr4S receiver constatute a system, compatible with model cars, boats and other models. and it also supports the USB simulator function (Default enabled). 2. The FlySky FS-NB4+ Noble features new flexibility and functionality never seen before in the remote control world. 3. 3.5-inch 320*480 full dot matrix color IPS touch screen, the touch screen offers a high-resolution display, providing clear and vibrant visuals for easy navigation and control of remote control models. 4. DUAL BATTERY SYSTEM: The NB4+ is equipped with 2 batteries, one removable in the handle and one removable power bank in the base. The base will charge the battery in the handle when connected and when disconnected the power bank can be used to charge other devices. 5. AFHDS 3 protocol Dynamically set: number of channels, channel resolution, range, anti-interference requirements and latency to meet the needs of different users. Specification: Features: This product uses the 2.4GHz Third Generation AFHDS 3 protocol. The Noble NB4+ transmitter and FGr4S receiver constatute a system, compatible with model cars, boats and other models. and it also supports the USB simulator function (Default enabled). The FlySky FS-NB4+ Noble features new flexibility and functionality never seen before in the remote control world. 3.5-inch 320*480 full dot matrix color IPS touch screen, the touch screen offers a high-resolution display, providing clear and vibrant visuals for easy navigation and control of remote control models. DUAL BATTERY SYSTEM: The NB4+ is equipped with 2 batteries, one removable in the handle and one removable power bank in the base. The base will charge the battery in the handle when connected and when disconnected the power bank can be used to charge other devices. AFHDS 3 protocol Dynamically set: number of channels, channel resolution, range, anti-interference requirements and latency to meet the needs of different users. Specification: Product name: Noble NB4+ Transmitter Product model: NB4+ Adaptive Receivers: FGr4S and other AFHDS 3 receivers Adaptive Models: Car or Boat Number of Channels: 8 RF: 2.4GHz ISM Maximum Power: 300m (Ground distance without interference) Online Update: Yes Temperature Range: -10?? C~+60?? C Humidity Range: 20%~95% Color: Black Size: 131.41*115.95*190.56mm Weight: 520g Product Model: FGr4S PWM channel: 4 Wireless frequency: 2.4GHz Wireless protocol: AFHDS 3 Antenna type: Built-in single antenna Power: 3.5-8.4V Data port: PWM / PPM / i.bus/S.BUS Temperature range: -10 ?? ?? + 60 ?? Humidity range: 20% -95% Transmission Power: