New from Spektrum comes the lightweight DX4R Pro 4-channel radio system. Built around frequency-agile Spektrum DSMR technology it’s capable of maintaining a blazing 5.5 ms frame rate Frame rate with the included SR2000 receiver. The radio also offers 50-model memory, 4 programmable mixes, a large back-lit display and it can be updated via the integrated SD card reader. Also included is the SR2000 receiver, weighing a mere 2.0 grams, it has a footprint smaller than most postage stamps and can be mounted on everything from 1/12-scale carpet racers to 1/8-scale off-road buggies. An SR410 4-channel sport receiver is also included.