This is the Hitec HTS-SS Advance 2.4GHz Telemetry System Full Combo Set.

FEATURES: May be installed in nearly any aircraft including helicopters,
            gliders and aerobatic planes
          Monitors model's air speed, rate of climb, servo managing, RPM,
            temperature, engine temperature, current, voltage, fuel level, and
            GPS info including speed and altitude
          Two year limited warranty on all products beginning at date of
            purchase

INCLUDES: #55859 Servo Manager Sensor, HRCM5859
          #55835 Fuel Level Sensor, HRCM5835
          #55850 Current Sensor, HRCM5850
          #55854 Airspeed Sensor, HRCM5854
          #55836 GPS Sensor, HRCM5836
          #55842 Magnetic RPM Sensor, HRCM5842
          Two #55834 Temperature Sensors, HRCM5834
          #55855 Current Sensor, HRCM5855
          #55860 Variometer, HRCM5860
          #55851 Voltage Sensor, HRCM5851
          #55853 Sensor Station, HRCM5853
          #55861 Temperature Sensor, HRCM5861
          #55833 Optical RPM Sensor, HRCM5833

SPECS:    See individual stock numbers for specifications

                                                                   jxs 02/07/13
                                                                         ir/jxs