SV-1257MG+ Savox - SV-1257MG+ Digital High Voltage Coreless Servo, Metal Gear Features: - Leading edge digital servo technology - High efficiency Coreless motor - Accurate and fast response - Super high resolution - Aluminium center case for improved motor cooling and total strength - Ball beared - Precision Metal gears Technical specifications: Servo Technology: Digital High Voltage Input Voltage (V): 6.0V - 8.4V Servo Type / Size: Midi Motor Type: Coreless Motor Gear Material: Metal Gears Ball Beared: Ball Beared Servo Case: Aluminium - Composite Speed 60°/Sec @ 6.0V: 0.07 Sec/60° Torque kg/cm @ 6.0V: 2.5 Kg/cm Speed 60°/Sec @ 7.4V: 0.055 Sec/60° Torque kg/cm @ 7.4V: 4.0 Kg/cm Length (mm): 35.0 mm Width (mm): 15.0 mm Height (mm): 29.2 mm Weight (g): 30 g Connector type: JR Spline size: 25T Spline (SAV-SV1257MG)