---------------------------------------------------------------------- The "Combo" edition of the Radiolink RC8X Radiolink comes with a bag, but also with two receivers : One R8FG plus a R4FGM. A voltage measuring lead is also included to read the model's battery voltige via the telemetry feature. ---------------------------------------------------------------------- 8 Channels for Multiple types of Models Parameters easily to set 4WS mixing designed for crawlers, timber truck and other 4WS types vehicles brake mixing makes the front and rear wheel of 1/5 gas power cars and other large cars can be adjusted independently Tank mixing is designed for the dual-engine intended for vehicles such as tanks Tilt mixing is designed for boat, easy to set the parameters and fully enjoy the boating. Customizable Gyro sensitivity Standard receiver R8FG packed is the receiver with built-in gyro and supports high voltage servo It is anti-slip and keeps the uni-direction, with the integrated gyro in R8FG installed, the vehicle turns more smoothly, and drifting from high speed can be prevented. Threaded design helps antiskid when the drivers are at long-time practice or in hot weather The trigger spring's tension and trigger slide of RC8X can be adjusted A lanyard to make the suitable weight highly compatible with drivers' control habits to make the long drive more pleasant Various switch styles for easy recognition and usage FPV display holder designe helps the drivers enjoy the FPV fun of driving Lefty friendly: the left and right installation directions of the wheel selection can be reversed Up to 64 GB memory expansion USB (type-C) online upgrade The thumb lever makes it possible to steer one-handed safely Reverse polarity protection circuit RC8X is easily adapted for various battery layouts with wide operating voltage tolerance: 8 pcs of AAA batteries or a 2S-4S LiPo or a 6S Ni-MH battery universal jst connector with the voltage protection software of Radiolink ensure vital components are protected from reverse polarity connection Compatible with old version receivers R4FGM/R4F, R6FG/R6f, R7FG and the R8EF/R8F