Electric 12V Bennett trim tab kit complete with 2 actuators, 2 Stainless Steel tabs and control unit. For boats from 5.8 to 7.3 meters. Control panel have to be ordered separately. Panel cod. 4723535: standard up-down control panel. Panel cod. 4723537: up-down control panel with Auto Tab Retractor (automatically retracts the flaps once the keys are withdrawn). Panel cod. 4723539: up-down control panel with Auto Tab Retractor (automatically retracts the flaps once the keys are withdrawn) ..