Superior Anti-Interference- With pseudo random FHSS algorithm, the DUMBORC X4 2.4 ghz RC Radio Transmitter has extraordinary anti-interference ability, and control distance up to 1640 feet (500 meters). It has 3ms Response Time and the most sensitive steering on the market. Go and enjoy the freest RC experience!. Smart Mix Control & Throttle Speed Limit- Channel 1 and channel 2 can be mixed control and customized according to your DIY needs, channel 3 and channel 4 can be used for lights/winch (just need to connect additional switch board). The DUMBORC X4 remote controller with Unique Throttle Speed Limit Adjustment Function is suitable for beginners and kids to practice in a safe speed!.
Multifunction & Superior Performance- Support RC simulator (requires dongle). Support FPV display installation. Low power alarm( 7.2V | 4.1V ). With brake and fail-safe. 3 Power Charging Modes of RC radio transmitter - 1.5V AA Battery *4/USB Power Port/Lithium Battery Socket(2-3S). Lithium battery interface with reverse polarity protection circuit, do not worry about it damage even you insert wrong polarity.