This is an Align DS535M Digital Servo. This metal gear servo features an aluminum middle case and high resolution for precise movements on tail rotor applications for helicopters. Additionally the top and bottom case is also aluminum, which provides extra durability and increased precision by eliminating flex within the case under extreme loads.

Features:

• Coreless Motor Design for fast speed, high efficiency, and low power consumption
• High Voltage Support
  
• High rigidity metal gears with high precision and durable structure characteristics
• Aluminum alloy mid case construction for instantaneous heat dissipation, maintaining servo’s high efficiency
• Powerful and precise servo suitable for T-Rex 500 CCPM cyclic use

Specifications:

• Torque:
  
• @ 6.0V: 69.4 oz-in (5.0kg-cm)
  
• @ 8.4V: 90.22 oz-in (6.5kg-cm)
  
• Speed:
  
• @6.0V: 0.05sec/60°
  
• @8.4V: 0.035sec/60°
  
• Voltage: DC 4.8-8.4V
• Temperature Range: -F°F ~ 140F° (-20°C ~ +60°C)
• Dimension: 35.1x15.1x29mm
• Weight: 29g
• Band: 1520μs standard band

Included Accessories:

• (4) Rubber damper
  
• (4) Brass grommet
  
• (4) Socket button head tapping screw (T2.6x12mm)
• (1) Servo horn set