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
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