ECO-WORTHY 8V-35V DC Motor Controller Wireless Remote Positive Inversion Controller Kit for Linear Actuator Widely input voltage for 8-35V Motor or Linear actuator. Convenient Wireless control. 4 keys remote control more stable. Inching/self-locking and Hand/limit position control. Overtime protection. Input voltage: 8V -35V Output voltage: 8V -35V Max Amps: 10A Fuse/AC adaptor: yes Prevent back-connect protection: yes Remote control distance: Less than 328 feet (100M ) On/off power stable voltage: yes Overtime protection: yes Battery size: 12V 23A Please connect the two wires of linear actuatorto &#034;MOTOR&#034; of themain controller, connect your 12V battery to &#034;POWER&#034; of the main controller. For 2pcs actuators, please wire them IN PARALLEL, then connect the two wires to &#034;MOTOR&#034; of the main controller. <span class="a-text-bold">Notice:</span><br> If you use our (ECO-WORTHY) linear actuator, it doesn&#039;t need to connect to the M or N stage. Because our linear actuators have pre-installed limiting switches inside. The input voltage should be within 8V - 35V. Please do not let water go inside. Please do not make the positive and reverse turn in a short time. It needs to replace the battery inside the remote controller when the control distance is shorter.(Battery size: 12V 23A) The fuse may be broken when it had no any response.