Product: Pack of 4 DS3218 Digital RC Servo Motor 20KG High Torque Full Metal Gear Waterproof for Baja Cars Robot DIY 270°
Brand: ANNIMOS
Color: Red
Electrical Specification: 
Operating voltage range: 5-6.8V 
Operating speed ( 5.0V ): 0.16 sec/60 degree 
Operating speed ( 6.8V ): 0.14 sec/60 degree 
Stall torque ( 5.0V ): 19kg/cm 
Stall torque ( 6.8V ): 21.5kg/cm 

 Control Specification: 
Control System: PWM(Pulse width modification) 
Pulse width range: 500~2500 μsec 
Neutral position: 1500μsec 
Running degree: 270° (when 500~2500 μsec) 
Dead band width: 3 μsec 
Operating frequency: 50-330Hz 
Rotating direction: Counterclockwise (when 500~2500 μsec) 

 Mechanical Specification: 
Gear ratio: 310 
Connector wire: 17.7inches(450mm) 
Motor: 3-pole(s) 

 Package: 
2 x DS3218 Servo 
1 x 25T Adjustable metal servo arm 

 Other options: 
✔35KG Coreless servo 270°,please search ASIN: B07SWST8D6 
✔20KG Control Angle 180°,please search ASIN: X001LEWNAF 
✔25KG Control Angle 270°,please search ASIN: B07GK1G5FV 
✔20kg Control Angle 270°(PRO Version), ASIN: B07KTSVSSJ 
✔60kg Control Angle 180°,Please search ASIN: B07KTS4L94
✔Upgraded Version - advanced linearity and accuracy with precision potentiometers,stable,low noise,water-proof
✔Large Torque - maximum torque is up to 21.5 kg/cm (298.5 oz/in)@6.8V
✔High Quality - equipped with strong copper & aluminum gears,CNC aluminium middle Shell
✔High Rotation - well-controlled, 270 degree rotation. 360 degree rotation when power-off, perfect for robot joint activities
✔Dimensions - 1.58x0.79x1.60inch (40x20x40.5mm);Weight: 60g (2.12oz) only

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