This is a replacement Arrma ADS-5 V2 4.5kg Waterproof Servo.
Specifications:
Case: Red, Water-proof & dust-proofBearing: Dual ball bearingConnector: ‘Futaba style’ 3 pin connectorGears: HD CompositeSpline: 25 ToothDimensions: 40mm x 38mm x 20mm (Excluding mounting tabs), Industry standard sizeWire length: 300mmTorque: ADS-5: 5kg/cm (70oz/inch) at 6VSpeed: 0.14 sec/0.12 sec 4.8V/6VSignal: Analog