KO PROPO - KR-420XT 2.4GHz Receiver (Short Antenna) Model Rockets featuring a programmable digital circuit

featuring a programmable digital circuit and a custom MP/metal gear train technology

Introducing the AFX Exclusive Race Barrier

5mm / R: W-1

the fumes that smack you in the face with every rev of the engine

Approximate on centers: 153mm

KO PROPO - KR-420XT 2.4GHz Receiver (Short Antenna) Model Rockets featuring a programmable digital circuitThe EX NEXT protocol used in the KR 420XT allows the user to chose from differnet RF modes, either XT advanced mode, which is fastest response in the world by one way communications or 'XT telemetry mode' which is supported telemetry (two ways communication). The KR 420XT supports 'REAL TIME ICS", a new serial communication to servos. It allows the user to change setting data of servos wirelessly from transmitter in their hand. You can use "REAL TIME