... 1) Applications: electric sofa , massage chair,reclinear chair 2) Silence and limit swtich ... certificate Linear Actuator Specification1) Applications: wheel chair motor, sofa parts, chair parts, hospital and care beds, wheelchairs ... , furniture, and traction beds.2) Low noise: fit for hospital application3) Input: DC, 24V / 12V4) Load ... 65°C12) Protection class: IP44 Linear Actuator For Massager Chair