This is the Futaba BLS255HV High Voltage High Speed Digital Servo.

FEATURES: Ideal for swash plate control on flybarless CCPM helis
          Dual bearings and metal gears for smooth, long-lasting operation
          Handles up to 2S LiPo battery power
          One year limited warranty through Hobby Services beginning at date
            of purchase

INCLUDES: Futaba BLS255HV Servo
          0.83" (21mm) Diameter Round Horn
          1.8" (45mm) Diameter Round Horn
          1.6" (38.5mm) Diameter 4-Point Horn
          1.2" (32mm) Diameter 6-Point horn
          Mounting Hardware

REQUIRES: Installing in heli, connecting linkage and connecting to receiver

SPECS:    Speed: 0.10 sec/60° at 6.0V
                 0.08 sec/60° at 7.4V
          Torque: 147.2 oz/in (10.6 kg/cm) at 6.0V
                  166.7 oz/in (12.0 kg/cm) at 7.4V
          Size: 1.57 x 0.79 x 1.45" (40 x 20 x 36.8mm)
          Weight: 2.12oz (60g)
          Power Supply: 6.0 - 7.4V DC

COMMENTS  The BLS255HV is designed for high torque/high speed applications.
          Very high current drain is normal at startup. Always use a 6V - 7.4V
            battery.

                                                                   jxs 05/27/11
                                                                         ir/jxs