Features: Double Output Power Solution: This 12V-24V to 3.3V3A converter features both 5.5x2.1mm and 4.0x1.7mm outputs with center positive design, ideal for microcontrollers, sensors, and display panels. Wide Input Compatibility: Works with 12V-24V sources such as vehicle batteries, outdoor power packs, and wall adapters through 14cm input wires with clear polarity markings. Stable Energy Conversion: Transforms 12V-24V input into a consistent 3.3V3A output, ensuring smooth functionality for sensitive components like development boards and smart devices. Compact and Lightweight Design: Small 46x27x15mm size with a sturdy plastic metal housing and flexible 40cm output cables for easy installation in tight spaces. Multi Device Support: consistent various 3.3V electronics including hobby projects, cooling systems, wireless devices, and measurement tools via standard direct current connectors. Specifications: Component: plastic + metal Input: DC12V-24V Output: DC3.3V3A Size: about 46x27x15mm/1.81x0.67x0.59 Inch Input line length: 14cm/5.51inch Output line length 40cm/15.7inch Others: 5.5x2.1mm+4.0x1.7mm interfaces center positive electrode outside negatived electrode Package Includes: 1Pc 12V~24V to 3.3V3A Double Output Power Converter note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.