Features: Build-in new FS-HF200 high frequency module. HVGA 3.5-inch TFT color screen, resolution 320 * 480, LCD white back light, capacities touch screen. The failsafe function is used to protect the model and user in case of signal loss. Support Online update with standard USB cable. Transmitter with 3.7V 4300mAh battery. Suitable for RC boat and RC car. Specifications: Item Brand: Flysky Item Model: FS-NB4 Channel: 4CH Power: <20dBm(EU) 2.4Ghz Product: AFHDS 3 Modulation: DSSS Channel Response: <13ms Low Voltage Alarm: <3.6V Data Output: Micro USB Antenna: Built-in Single antenna Battery: 3.7V 4300mAh lipo Battery(built-in) Charging Time: about 2 hours Working Time: about 8 hours Item Size: 190 * 129 * 114mm Item Weight: 520g Package Information: Package Size: 24 * 22 * 8.5cm / 9.44 * 8.66 * 3.34in Package Weight: 1120g Gift Box Package Package List: 1 * Remote Control 1 * 3.7V 4300mAh lipo Battery(built-in) 1 * FGR4 Receiver 1 * USB Cable 1 * Spare Grip Cover 1 * Adjustable Holder 1 * English Manual