This servo is a genuine OEM part from POWERSTAR Racing.
PowerStar PC-2500W Specifications:
Torque(4.8V): 22.00 kg-cm /306 oz-in
Torque(6.0V): 25.0 kg-cm /347 oz-in
Torque(7.4V):28.0kg-cm /389 oz-in
Torque(8.4V):30.0 kg-cm /416 oz-in
Speed: 0.22 sec (4.8V) │0.2sec(6.0V)|0.18sec(7.4V)|0.16sec(8.4V)
Operating Voltage：4.8V ~ 8.4V
Weight: 64g ( not including accessory)
Bearing Type：Metal Bearing
Motor Type：DC
Gear Type：copper
Operating Temperature range：-20℃~60℃
Working frequency：1500μs / 333Hz
Size：40 x 20 x 40 mm
Includes:
1 x Power Star Waterproof Servo
1 x Hardware/Servo Horn Bag