This is the Spektrum H6200 HV Digital High Speed Metal Gear Helicopter Cyclic Servo. This cyclic servo was developed specifically for flybarless helicopters and is a great choice for 550 to 700 size helicopter cyclic applications.

Features:

• Quick release for servo leads simplify wiring and maintenance
• Designed from the ground up for flybarless rotor control
• Low momentum gear train and motor design
• Quick release servo leads
• HV compatible (up to 8.4V)
• 0.06 sec/60 deg transit speed at 8.4V
• Metal gears
• Aluminum center section case
• Frequency: 200Hz

Specifications:
Size Category: Standard
Type: Digital
Application: 550- to 700-class helis
Torque: 139 oz-in (10.0 kg-cm) @ 6.0V; 187 oz-in (13.5 kg-cm) @ 7.4V
Speed: 0.08 sec/60 deg @ 6.0V; 0.06 sec/60 deg @ 7.4V
Length: 1.61 in (40.9mm)
Width: 0.82 in (20.9mm)
Height: 1.25 in (31.8mm)
Weight: 2.2 oz (62.4 g)
Bushing Or Bearing: Bearing
Bearing: Dual
Motor Type: Coreless
Connector Type: Universal
Gear Type: Metal
Voltage: 4.8 - 7.4V