1、High Accuracy Potentiometer: The metal gear servo uses a high accuracy potentiometer with stable performance and strong anti interference ability. 2、High Resolution Digital Chip: The metal gear servo has a high resolution digital chip, quick response speed, and more delicate and smoothing control. 3、Applicable Scene: Suitable for 1:8/1:10 RC cars and trucks, and any waterproof standard servo system applications. 4、Fully Waterproof Servo System: Adopt a fully waterproof servo system, which can maintain a good waterproof density under humid conditions. 5、Coreless Motor: Coreless motor provides high speed response, high efficiency, low power consumption and excellent performance. Item Type: Metal Gear Servo Shell Material: Aluminum Alloy Color: Purple Product Size: Approx. 41 x 20 x 28mm / 1.6 x 0.8 x 1.1in Number of Teeth: 25T Rotation Angle: 180 Degrees Dead Zone: 2μs Working Frequency: 1520μs/330hz Speed (6v): 0.08 Seconds/60° Speed (7.4v): 0.07 Seconds/60° Speed (8.4v): 0.06 Seconds/60° Locked Rotor Torsion (6v): 22kg/cm Locked Rotor Torsion (7.4v): 25kg/cm Locked Rotor Torsion (8.4v): 27kg/cm Application: 1:8/1:10 RC Car ( Such As for SCX10 for TRX4, Etc.) Robots, Etc. 1 x Metal Gear Servo 2 x Plastic Servo Arm 7 x Screw 4 x Screw Barrel 4 x Rubber Mat 1 x Metal Servo Arm 2 x Gears ( One Large and One Small) 4 x Plug 1 x User Manual