More detailed information about this pan tilt head can be found at: ESI Inc.
Pan Rotation: 260 degrees
Tilt Angle: + or – 45 degrees
Torque-Tilt: 8.66 lb/inch
Capacity: 6.0 lbs.
Voltage: 12 V DC
Amperes: Pan & Tilt = max. 270 mA.
Potentiometer: Pan & Tilt = 10 KΩ,
Pan Speed: 15 degrees per second,
Tilt Speed: 15 degrees per second
The head is specified for operation at 12VDC, but it also works just fine at 9VDC.
The low current consumption and the low DC voltage allow mobile/portable applications.