In this video a customer wanted to use Linear Actuators to lift the roof up on his Campervan, and have all 4 Actuators synchronize so that the roof lifts up equally. In this example, 4 FIRGELLI Bullet actuators were used along with a FIRGELLI FCB-1 control box which is used to synchronize the actuators and also set the limit. Visit our blog for more details on this project