The Futaba SBS-01RM Magnetic RPM Sensor makes it easy to get the performance information you want. Simply plug into the S.Bus2 slot on a telemetry-enabled receiver, and the Bi-directional communication will allow the data to be transmitted directly to your Futaba T-FHSS or FASSTest transmitter.
Displays: revolutions per minute
Voltage: DC3.7 ~ 7.4V
Weight (w/pickup): 0.166 oz (4.7 g)
NOTE: The SBS-01RM may only be used with telemetry enabled receivers that offer S.BUS 2 port(s). Please refer to the manual(s) that accompanied your transmitter and/or receiver for proper connection methodology.