This is the Hitec HS-7245MH Hi-Voltage "Hi-Torque" Metal Gear Digital Mini Servo. The high voltage, coreless HS-7245MH servo delivers exceptional torque in a compact package. Built with an efficient coreless motor optimized for 7.4V operation and heavy-duty metal gear train with dual ball bearings, this high-end mini servo delivers unbridled performance. Whether you are flying mid-size gas and electric airplanes, 500-550 electric helis, or driving 1/12th scale on-road racers and 1/18th scale rock crawlers, the lightning speed of this servo will deliver the power your looking for.

• Speed:
• 6.0V: 0.13 sec/60 deg.
• 7.4V: 0.11 sec/60 deg.
• Torque:
• 6.0V: 72 oz/in
• 7.4V: 89 oz/in
• Length: 1.28in (32.4mm)
• Width: 0.66in (16.8mm)
• Height: 1.29in (32.8mm)
• Weight: 1.2oz (34g)