This is the Futaba BLS276SV High Voltage High Speed Heli Rudder Servo.
FEATURES: Compatible with the Futaba CGY750, GY701, GY520, GY430, GY611 and GY601 gyros, cannot be used applications other than those listed above or damage may occur Brushless motor offers incredible holding power and 5X longer life than servos equipped with brushed motors SBUS 2 compatible Dual ball bearing supported output shaft One year limited warranty through Hobby Services beginning at date of purchase
INCLUDES: BLS276SV Servo with 1.8" (45mm) Round Horn, 1.5" (39mm) four point Horn, 1.2" (32mm) 6-point Horn, 3x8mm Servo Horn Screw, four each Mounting Screws, Grommets, Eyelets, and Instructions
SPECS: Neutral Pulse Width: 760us 6.6V 7.4V Speed: 0.055 sec/60° 0.05 sec/60° Torque: 61.12 oz/in (4.4 kg/cm) 69.45 oz/in (5.0 kg/cm) Dimensions: 1.57 x 0.79 x 1.45" (40 x 20 x 36.8mm) Weight 2.12oz (60g) Power Supply: 6.0-7.4V
COMMENTS: Do not connect this servo directly to a receiver. Always connect to a gyro.