This is the Tactic 27MHz TTX327 3-Channel AM Transmitter used with the FlyZone SkyFly 2. FEATURES: Single stick control for rudder and elevator with fingertip throttle control Rudder and elevator trims INCLUDES: Tactic 27MHz TTX327 3-Channel Transmitter with Crystal REQUIRES: Eight AA batteries, VNRP5295 jxs 10/14/09 ir/jxs