Features:Submarine Waterproof 7 Point SealsMagnetic Angle SensorFully Programmable with REEFS Software (REEFS USB LINK required)Voltage: 4.8V - 8.4VSpecifications:Steel Gears, All CNC Aluminum REEFS Case, Bearing Type: 2 Ball Bearings, Spline: 25TDimensions (LWH): 1.6 x .79 x 1.16 inch; Weight: 2.30ozTorque: 350oz @ 6V/ 420oz @7.4V/ 460oz @8.4VSpeed: .09sec @6V/.08sec @7.4V/.065sec @8.4VDead Band Width: 2microseconds