DC Linear Actuator 2PCS/3PCS/4PCS Working Together for Medical Bed Recliner Chair Sofa. Customizable Stroke: Stroke range from 20mm to 1000mm available for selection. High Load Capacity: Maximum thrust up to 6000N for heavy-duty applications. Multiple Actuator Support: Supports 2, 3, or 4 units working together for medical beds and sofas. Built-in Limit Switches: Factory preset limit switches ensure safe and precise operation. Low Noise Operation: Noise level maintained below 50 dB for quiet performance. Dual Voltage Options: Compatible with 12V and 24V DC input voltages. IP44 Protection Class: Dust and water splash resistant with IP44 rating. OEM and ODM Services: Full customization, minor customization, and sample-based design available.