| Aluminum case( bottom case is plastic) Operating Voltage: 4.8~6..0V Operating Temperature Range: -10 to +60 Degree C Operating Speed : (4.8V): 0.09sec / (6.0V):0.7sec Dynamic Torque : (4.8.V) : 6.3kgkg-cm / (6.0V) : 7.1kg-cm Motor Type: high efficient Coreless motor Dimension:39.5*20.0*30.3
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