EMax ES08MD II Digital Metal Gear Servo.
Specifications:
Voltage Input: 4.8-6V
Standard Direction: Counter Clockwise
Stall Torque: 4.8V: 21 oz/in | 6.0V: 28 oz/in
Operating Speed: 4.8V: 0.12 Sec/60 Degrees | 6.0V: 0.10 Sec/60 Degrees
Dimensions: 23x11.5x24mm (LxWxH)
Weight: 13g
Gear Train: Metal
Servo Type: Digital