Feature:

•  Size: 27 * 13mm
•  Weight: 6g (including wires)
•  So far, PRM-03 OSD Information Telemetry Module is compatible with PIX and APM flight controller.
•  Support RadioLink R9D, R9DS, R10D, R10DII, R10DS and R12DS receivers.
•  PRM-03 can telemetry Speed, Climb, Throttle, Voltage, Longitude, Latitude, Altitude, GPS, RSSI, Flight Mode, YAW, ROLL, PITC, Distance.
•  PRM-03 is compatible with 1 battery with 12 batteries (3.7 ~ 50.4V).