Reefs 422HD High Torque Titanium Gear Digital Servo.
Specifications: Waterproof: Yes Motor: HV Coreless Gears: Titanium Bearing Type: Dual Bearing Weight: 2.2 oz Dimensions: 1.6x0.8x1.5" (LxWxH) Torque: 393oz @ 6.0V / 422oz @ 7.4V Speed: .13 @ 6.0V / .12 @ 7.4V Spline: 25T Dead Band Width: 2¦Ìs Wire Length: 290mm
NOTE: BEC Recommended. Do not power over 7.4V