This is the ElectriFly Silver Series Brushless ESC Programming Card.

FEATURES: For the Electrifly Silver Series 60A (GPMM1850), 80A (GPMM1860)
            and 100A (GPMM1870) Brushless Electronic Speed Controls
          Allows adjustment of Brake (ON or Off), Motor Rotation (Forward or
            Reverse), Timing Angle (12 or 20°), Operating Frequency
            (8kHz or 16kHz) or custom setting of Low Battery Cutoff Voltage
            (5.6 - 37V)

INCLUDES: ElectriFly Silver Series Brushless ESC Programming Card and
            instruction sheets

REQUIRES: Placing included jumpers on specific pins to set desired features
          Connecting ESC and battery to labeled areas on card