This is the Futaba Micro Fail Safe Unit.

*** THIS IS NOT INTENDED FOR AIRPLANES OR HELIS, THIS IS FOR CARS, TRUCKS, OR
                  BOATS DUE TO THE LOW CUT OFF POINT.     ******

FEATURES: Prevents runaway R/C vehicles by automatically returning throttle
            servo to preprogrammed setting in the event of interference or low
            battery voltage
          Works with any scale R/C car or truck 4.8V (4-cell) or 6V (5-cell)
            NiCd receiver batteries, see COMMENTS
          One button programming and status LED

INCLUDES: One Futaba Micro Fail Safe Unit

REQUIRES: Connecting between receiver and throttle servo

SPECS:    Length: .85" (21.5mm)
          Width:   .6" (15.5mm)
          Height:  .3"  (7.5mm)
          Weight: .18oz (5g)

COMMENTS: For use with NiCd batteries only, no alkalines or Manganese dry
            cells.
          The Discharge curve of alkalines and NiMH cells is different from
            that of the NiCd cells for which this unit was designed. Non-NiCd
            cells will not provide the warning at the appropriate time.
          Does not work with transmitter in PCM mode
          Does not work with 2.4 GHz.
                                                                    jxs 5/19/05
                                                                          ir/kh
                                                            updated jpg 3/30/06
                                                           updated jpg 10/12/08
                                                             updated jpg 3/8/13