This is the 4-Channel FM Transmitter used with the HeliMax Axe EZ Micro EP Heli. FEATURES: Charge jack for optional NiCd battery use Trainer jack Power on and low battery lights Servo reverse INCLUDES: One Transmitter for the HeliMax Axe EZ REQUIRES: Crystal, TACL4036-TACL4050 Eight AA batteries COMMENTS: For replacement antenna, order TACM4404 jxs 01/05/07 ir/jxs