Boats already equipped with hydraulic trim tab systems can gain the added benefits of electronic control with this conversion kit from Lenco. Conversion kit enables retrofitting of all boats equipped with 4-ring Bennett cylinders. Complete kits include two DC electric actuators and two upper mounting brackets, plus all necessary stainless steel hardware. The 12V kit includes activators that connect to existing switches using jump wires. For use with any Bennett 4-ring standard Trim Tabs. Three-year limited warranty.