Model name compatible LCD / Anti-lock brake function / Model name / Exposal / End point adjustment / Servo reverse / Dual rate / Trim / sub-trim / Low battery alarm / Model memory function (10 models) / 4 cell battery specification / Compatible receivers: RX-391, RX-391W, RX-391W. / For electric cars. / Receiver: RX-391. -SIGMA ■Sir Voltage: HVS-702.