Reefs 900 Smart Servo & Winch. 

Features:

• High Torque High Speed Brushless SERVO or WINCH
• Comes as SERVO out of the Box, can be changed to WINCH with the REEFS LINK and Software.
• BUILT IN PREPROGRAMMED WINCH CONTROLLER
• Internal Steel Gears / All CNC Aluminum Casing
• Magnetic Angle Sensor
• Pulse Width Modulation Control
• 4 Pole Brushless Motor
• REEFS LINK required for Programming
• BEC Not Req. Recommended for max performance

Specifications:

• SUBMARINE WATERPROOF: 7 Point Seals w/ GRAY HEAT SINK
• Voltage: 4.8V 8.4V
• Bearing Type: 4 Ball Bearings / Weight: 2.99oz
• Dimension: 1.57 x .79 x 1.5 (LWH)
• Torque: 720oz @ 6v/ 830oz @7.4v/ 940oz @8.4v
• Speed: .13sec @6v/.12sec @7.4v/.10sec @8.4v
• Spline: 25T / Dead Band Width: 2¦Ìs
• Unload Current: 460mA @ 4.8V / 500mA @ 6.0V / 540mA @ 7.4V / 580mA @ 8.4V
• Load Current: 5000mA @ 4.8V / 5800mA @ 6.0V / 6800mA @ 7.4V / 7400mA @ 8.4V