ATA HOBBY Radiolink RC4GS V3(V2 Upgrade) 5 Channel RC Radio Transmitter and 2Pcs R6FG Receiver with Gyro 2.4ghz 400M Remote Controller Kit for Car/Boat/Crawler/Tank/Drifting/Buggy with Lanyard

"Excellent Anti-interference: Pseudo random algorithm FHSS communication technology makes RC4GS V3 control distance up to 1312 feet (400 meters) and supports multiple RC4GS V3 are working in the same area without any interference.Dual Programmable Mix Control: Mix control can be programmed with any two channels and each mix control can be turned on by one switch.

That's friendly for two-engine vehicles, such as tanks, boats, 4 wheel steering car.Built-in Gyro: R6FG receiver built-in Gyro can keep the vehicle running in a straight line, and Gyro sensitivity can be adjusted by transmitter, which fits for drifting and on-road cars.Reverse Polarity Protection: Anti-polarity connect protection technology to keep your transmitter safety even if you Accidentally connect the wrong positive and negative poles.Perfect RC Controller and Receiver Kit: Package comes with 2pcs R6FG Receivers and 1 adjustable neck lanyard.Working voltage of R6FG is 3-12V, support high voltage servo.Compatible Receivers: Radiolink R7FG/R6FG/R6F/R8FG/R8F/R8EF/R4F/R4FGM.New Upgrade Functions of RC4GS V3: 5 Channels radio control CH3-CH5 can be customized to rotary switch and tact switch.

The tact switch can be used for cruise control mode, a good idea for crawler."