FEATURES: Four model memory Exponential for ailerons, elevator and rudder Wing mixing function for V-tail and elevons 40-segment LCD screen Servo reversing Analog trims with trim memory End Point Adjustment (EPA) on all 4 channels Data reset Trainer system Low battery alarm Trainer box capable. SPECS: 4EX Transmitter Modulation: FM (Frequency Modulation) Power Supply: 9.6V NT8S600B NiCd battery or 12V alkaline battery Current Drain: 250mA