This is the Hitec HS-5585MH High Voltage, High Speed Digital Servo.

FEATURES: Rated for 2S LiPo operation
Ideal for 1/10 scale monster trucks, 1/8 scale buggies and truggies,
and high performance airplanes up to 35%
Heavy duty metal gears and dual ball bearings
Coreless motor
Two year limited warranty through Hitec beginning at date of purchase

INCLUDES: HS-5585MH Servo with 0.94" (24mm) Round Servo Horn, 1.8" (45mm) Round
Servo Horn, 2.3" (59mm) Double Sided Servo Arm, 1.1" (27mm) Single
Sided Servo Arm, 1.6" (42mm) Four Point Horn, Mounting Hardware and
Instructions

SPECS: Operating Voltage: 6.0 - 7.4V DC
6.0V 7.4V
Speed: 0.17 sec/60° 0.14 sec/60°
Torque: 194 oz-in (11 kg-cm) 236 oz-in (14 kg-cm)
Size: 1.57 x 0.78 x 1.49" (39.8 x 19.8 x 37.8mm)
Weight: 2.10oz (60g)
Wire Length: 11.8" (30mm)
Wire Gauge: 25AWG
Operating Temperature Range: -4 to 140°F
Idle Current: 4mA
Stall Current: 2100mA @ 6.0V, 2700mA @ 7.2V
Potentionmeter Type: 4 slider 1M cycle