High performance programmable digital standard servo, can be common use in robots, mechanical arms, climbing cars and remote control toys. The main features are fast heat dissipation,big torque high compatibility ,sensitive and responsive ect. Good choice for university professors and students who are interested in developing software for robot parts. Features: - High-precision metal gears with hard anodizing - CNC aluminium middle Shell, - water proof rubber seals screws Sepcification: Brand: DSSERVO Item: DS3218MG Stall Torque (5V): 19 kg/cm (263.8oz/in) Stall Torque (6.8V): 21.5 kg/cm (298.5 oz/in) Dead band: 3μs Speed : 0.16 sec/60°(5V) / 0.14 sec/60°(6.8V) Operating Voltage: 4.8 ~ 6.8 DC Volts Weight: 60 g (2.12 oz) Motor Type: DC Motor Gear Type: Copper & Aluminum Working frequence: 1520μs / 333hz CE Certification: Yes Size: 40 x 20 x 40.5 mm ( 1.58 x 0.79 x 1.60 in) Package Included: 1 x DS3218MG Digital Servo 1 x 25T Adjustable metal servo arm We have more servos for your choice: ▶35KG Coreless servo 270°,please search B07SWST8D6 ▶20KG Control Angle 180°,please search B0769DFJVK ▶25KG Control Angle 180°,please search B07GJ6ZCVY ▶25kg Control Angle 270°, please search B07GK1G5FV ▶60kg Control Angle 180°,Please search B07KTS4L94 ▶60kg Control Angle 180°,Please search B07KTSCN4J