The Lectrotab ALC-1 Auto Leveling Trim Tab Control is designed to automatically maintain optimal boat attitude for a more efficient ride. Using advanced microprocessor based technology and an integrated internal GPS, the ALC-1 continuously adjusts trim tabs to correct as water conditions, passenger placement, and wind change throughout your trip. The system helps improve ride handling stability and fuel efficiency while reducing the need for constant manual trim adjustments. Built with a fully sealed IP68 waterproof housing and automatic LED brightness adjustment, the ALC-1 is engineered for dependable marine performance. Features:• Automatically controls roll and pitch adjustments• Integrated internal GPS requires no external antenna• Adaptive leveling responds to changing water conditions• Automatic trim correction disabled during turns• LED tab position indicators adjust to lighting conditions• Automatically retracts tabs when boat is off plane• Designed for boats over 20 feet in length• Supports manual and automatic trim control modesSpecs:• Model Number: ALC-1• Number of Stations: 1• Actuators per Tab Plate: 1• Voltage Compatibility: 12V / 24V DC• Overall Width: 3.15 in (80mm)• Overall Height / Thickness: 3.0 in / 0.437 in (77mm / 11mm)• Mounting Hole Cutout Diameter: 2 in (50mm)• Power Input Fuse Size: 15 amp (12V) / 10 amp (24V)• Certification: CE Approved Integrated internal GPS Auto tab retraction system IP68 waterproof housing