SPECIFICATIONS:  
Working frequence: 1520μs / 330hz
Motor: coreless motor                                        
Operating Voltage:  DC3.7~5.5V
Operating Speed (3.7V): 0.13sec/60°
Operating Speed (4.2V): 0.12sec/60°
Operating Speed (5.5V): 0.1sec/60°
Stall Torque (3.7V): 0.58kg.cm
Stall Torque (4.2V):  0.70kg-cm
Stall Torque (5.5V):  0.89kg-cm
Dimensions: 19.8x8.2x20mm
Weight:  5.6 g 
Connector Wire Length: JR  150 mm (5.91in)
Tooth Count：20