Thank you for viewing. This is a KO servo. It was used only once and then stored, so I am selling it as I no longer need it. Speed Type Servo > (at 7.4V) ● Torque: 9.0Kg・cm Speed: 0.07sec/60° (at 6.0V) ● Torque: 7.0Kg・cm Speed: 0.09sec/60° ● Size: 41 x 25.5 x 21mm (Low Profile Type) ● Weight: 51.0g ● Power: 6.0～7.4V (LiPo, LiFe, Ni-MH, Ni-Cd) ● Hard Anodized Aluminum Gears (Some resin gears) ● Coreless Motor ● Dual Bearings ● Hard Servo Gear Shaft ● Aluminum Heat Sink Middle Case ● Gold Plated Connector Please understand that this is a used item, so no returns, no refunds, and no cancellations (3N).