Specifications:

High Torque High Speed Brushless SERVO or WINCH
Comes as SERVO out of the Box, can be changed to WINCH with the REEFS LINK (Sold separately) and Software.
BUILT IN PREPROGRAMMED WINCH CONTROLLER
SUBMARINE WATERPROOF: 7 Point Seals
Military Grade Construction
Magnetic Angle Sensor
Pulse Width Modulation Control
4 Pole Brushless Motor
Voltage: 4.8V - 8.4V
Internal: Steel Gears / BRASS Casing / ULTRA Finish
Weight: 5.29oz / 150g
Bearing Type: 4 Ball Bearings / Weight: 2.99oz
Dimension: 1.57 x .79 x 1.5 (LWH)
Torque: 760oz @ 6v/ 930oz @7.4v/ 1100oz @8.4v
Speed: .16sec @6v/.13sec @7.4v/.12sec @8.4v
Spline: 25T
Dead Band Width: 2ls
BEC Not Req. (Recommended for max performance)
Unload Current: 460mA @ 4.8V / 500mA @ 6.0V / 540mA @ 7.4V / 580mA @ 8.4V
Load Current: 5400mA @ 4.8V / 6000mA @ 6.0V / 6800mA @ 7.4V / 7500mA @ 8.4V