Damper Actuator; Voltage: 24 VAC/DC, Hertz: 50/60,6/3 VA, Timing Nominal: Driving 60 Hz 90Sec., Spring Return Timing: Maximum 25Sec, Rotational Stroke Adjustment: Mechanically Limited 5 Degree Increments, Feedback: SYLK-Enabled, Torque Rating (Nm): 3NM, Torque Rating (Lb-In): 27 Lb-In, Ambient Temperature Range: -40 to 60 Degc., Dims: 6-3/4"H X 3-7/8"W X 3-1/4"D, Weight: 3.10 Lbs, Made In Mexico, Boxed