This is a Seven Channel Programmable Receiver by Castle Creations. / / FEATURES: Transmitter Signal Recognition (TSR) compatible with most 72MHz FM / transmitters / Full range programmable receiver with Fail Safe Mode-upon two seconds / of no signal, servos move to user programmed positions until signal / returns / True Digital Signal Processing (TDSP) / Transmitter Signal Recognition (TSR) / Auto detects Postive or Negative shift / / INCLUDES: One receiver / 2 two-sided jumpers for Failsafe mode / / REQUIRES: Installing in aircraft and connecting battery and servos / Crystal, CSEL01** / / SPECS: Length: 1.25" (32mm) / Width: .85" (21mm) / Height: .55" (13mm) / Weight: .28oz (8g) / Sensitivity: Better than 1.2uV / / COMMENTS: Not for use with PCM encoded signals or the Futaba 9Z series