JR 11X Zero computer radio. 12ch receiver with 3 remote receivers, 2.4 GH-Z DSM2. with 1500 MA-H NI-MH batteries, charger and switch harness. Transmitter features 30 model memory, mode switchable, module RF system supplied with DSM2. Also available with DSMJ and PCM modules. Mixing functions for Helicopter, fixed wing power and glider aircraft types. Built in software for servo balancing and stick position switching for snap rolls and spins which until now has only been available on the 12x series transmitters.