... 3)Low noise, High-tec 4)CE Linear Actuator CE Slider-driving Linear Actuator for furniture parts :It can be used ... is based on the raise and falling of its white slider. Specifications : 1) Thrust up to 4000N 2) 12V / 24V DC ... , function chair, function sofa, medical bed, automatic doors, automatic windows, smoke windows, other drive systems.5.It could be changed for any ...