This is a Tamiya servo used in an RC car I purchased over 10 years ago. It is reportedly an OEM product of the Futaba S3003. Operation has been confirmed. S3003 Specifications: Operating Speed: 0.23sec/60° (4.8V) / 0.19sec/60° (6.0V) Output Torque: 3.2kg・cm (4.8V) / 4.1kg・cm (6.0V) Thank you. Type: Radio Control Manufacturer: Tamiya Type: RC Parts Radio Control: RC Parts