Model: DS939MG 
Operating Voltage: 4.8V / 6.0V
Operating Current: 200mA / 240mA
Operating Speed: 0.14sec.60º/ 0.13sec.60º
Stall Torque: 2.5kg.cm / 2.7kg.cm
Size: 22.5X11.5X24.6mm(0.88"x0.45"x0.96")
Weight: 12.5g
Dead Band: ?3uSec
Operating Travel: 40º/one side pulse traveling 400us
Potentiometer: 2 slider/Direct Drive
Ball bearing: MR85
Gear: Metal
Motor: Coreless
Spline: 21
Connector wire: 215mm
Operating Temperature Range: -20J+60J