Description:
High-precision metal gears with hard anodizing
CNC aluminum  middle Shell
water proof rubber seals screws
 
Specification:
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
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 Includes:
1 X DS3218 Digital Servo 20KG 
1 X 25T Servo Arm