Compatible with SXR response mode will be most smooth feeling. Blushless motor (sensor type) compatible Compatible with SSL System (only compatible with transmitters and receiver are installed SSL system) Using with compatible transmitter (M17, M12S(RS), EXZES-ZZ, or MT-44) and compatible receiver (RX-491, RX-482, RX-472, and RX-47T), SV-D2 can be set by transmitter. *RX-491 can be only used by M17. Can get information about Motor RPM, Battery Voltage, SV-D2 information without sensor by Telemetry function. Installed 4 basic programs and 10 programs mode. In case of using Program BOX Gen2, 4 program mode can be set. Special design for Drift New design Capacitor holderOptional parts: Sensor Cable, Power Wire, Cooling Fan, Power Capacitor, and AL Capacitor Holder