This is the Futaba SBC-1 S.Bus Channel Setting Tool.

FEATURES: Used for setting channels to S.Bus servos and decoders of the Futaba S.Bus system LED blinks and then glows steadily when channel setting is complete One year limited warranty through manufacturer beginning at date of purchase

INCLUDES: Futaba SBC-1 S.Bus Channel Setting Tool with Screwdriver and instructions

REQUIRES: Connecting battery to battery port and following instructions

SPECS: Dimensions: 1.54 x 1.02 x 0.39" (39 x 26 x 10mm) Weight: 0.28oz (7.8g) Power Requirement: 4 - 5 cell NiCd, NiMH Operating Temperature Range: -10° to 45° C

COMMENTS: Do not connect anything other than a Futaba S.Bus servo or S.Bus decoder to the Channel Setting Tool. If a conventional servo is connected, the servo may operate erroneously.  

BOX DIMENSIONS: 3.50" W. X .75" H. X 4.75" L. BOX WEIGHT: .05 LBS.