Key Specifications: Travel Speed: 0.6"/s (15 mm/s); Stroke Length: 8" (203.2 mm); Extended Length: 20" (508 mm); Retracted Length: 12" (304.8 mm); Current Draw: 5 Amps; Input Voltage: DC 12V; Duty Cycle: 25% IP54 Protection Rating: IP54 rating and a sturdy aluminum alloy housing deliver extended indoor use service life. (Caution: For consistent performance and longer longevity, avoid outdoor use and prevent water from entering the motor to cause burnout) Quiet Operation for Comfort: Operating at less than 50 dB (no-load noise), our 12V linear actuator is your go-to choice for bedrooms, offices, hospitals, and labs where silence matters. Enjoy efficient, reliable performance without disturbing your environment Powerful & Steady Torque: 225lbs (1000N) stable torque output excels in light industrial and home use such as massage sofas, recliners, TV lifters, lifting tables, electric wheelchair, electric window openers and more automation systems. Smooth and stable for low-load, long-run applications Efficient Stroke Adjustment: Moving swiftly at 0.6 inch/s, VEVOR 12V linear actuator is perfect for frequent height adjustments. Efficiently handles daily automation tasks, whether adjusting furniture height, raising and lowing the office desk, or opening car windows