Trim Tab Manual Leveling Control with LED Tab Positioning Indicator | LECTROTAB MLC-1 Lectrotab Trim Tab Manual Leveling Control with LED Tab Positioning Indicator | MLC-1 Lectrotab's Manual Leveling LED control incorporates features requested by boat owners to provide a user-friendly control for a more enjoyable boating experience. Microprocessor based trim tab control with LED tab position indicators Single button press to move both tabs up or down simultaneously Rubber overlay with a sleek bezel design Automatic return to last tab position if ignition key is turned off and back on again Completely sealed, completely waterproof and will not deteriorate in sunlight Automatic tab retraction and calibration with key or accessory switch off Easy upgrade from rocker switch style control or Oval control No external power module required for one actuator per tab system LED tab position indicators dim automatically in darkness and brighten in sunlight Adjustable programming features located on back of specification sheet Operates on 12 or 24 volt dc systems