Reefs 300 Alacritous Programmable Servo. 

Features:

• Premium Versions of the 300 Alacritous that is found on the Redcat 64
• Racing, Drift, Onroad, Air applications
• High Speed Brushless Servo
• Fully Programmable w/ REEFS Software
• REEFS LINK required for Programming
• Voltage 4.8V - 8.4V

Specifications:

• Water Resistant: 7 Point Seals
• Internal: Steel Gears / All CNC Aluminum Casing
• Bearing Type: 3 Ball Bearings
• Weight: 2.85oz
• Dimension: 1.57 x .78 x 1.46 (LWH)
• Torque: 210oz @ 6v/ 270oz @7.4v/ 310oz @8.4v
• Speed: .07sec @6v/.06sec @7.4v/.05sec @8.4v
• Spline: 25T
• Dead Band Width: 2¦Ìs