Leave it to KO Propo to probe new frontiers in radio control technology. The new EX-10 Helios 3-channel radio features some of the same classic features as the Mars series radios, but is 30% faster than the Mars R. Also included is a KR-302F 3-channel receiver that's 25% smaller than the previous KO Propo KR-301F. Other features include a larger backlit LED screen, 9-model memory, jog dial, a larger, more comfortable handle with bigger grips and a wider array of colors, new wheel extension unit, spring tension adjustment for the steering and more.