Features: Ensures a stable power supply for your vehicle's electronics with this 45a converter, adeptly transforming a 24v input to a 12v output, perfect for trucks. Designed with efficiency in mind, this voltage converter features overload and overheat protection, ensuring safety and longevity for both your vehicle and devices. For truck drivers, logistics fleet managers, and enthusiasts who require power conversion solution for their vehicular electronic needs. Whether it's powering refrigerators and vacuum cleaners during long hauls or catering to electronic necessities during camping trips, this converter is essential travel companion. The device's user friendly memory function retains settings, simplifying operations for automotive engineers and modification hobbyists who demand consistent performances from their electrical systems. Specifications: Component:ABS Length:Approx.11cm/4.33inch Color:Black Input voltage: DC20-30V Output voltage: DC12V Output current: 45A Six lines (with memory line) Iron shells structure. 24V input wiring instructions: Redlines: main power wire,connected to the positive terminal of the battery. Yellowline: Key line,with memory line,connected to the car key switch. Blacklines: connect to the negative electrode of the battery or the ground wire on the car. 12V output wiring instructions: Redwires: connect to the positive poles. Yellowwire: wire of the electrical Blackwire: connect to the negative poles. Package Includes: 1pcs Voltage Converter note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. ②.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.