A240505 12V 24V to 5V Waterproof AC DC Converter 1A 2A 3A Power Supply Module Step Down Regulator for Car, LED, Arduino, Raspberry Pi ? Description: A240505 AC-DC Converter Power Module Reliable step-down voltage regulator that converts AC 12?24 V (10?28 V range) to a stable DC 5 V output, perfect for automotive, LED lighting, hobby electronics, Arduino, Raspberry Pi, and PLC control systems. Compact and waterproof for versatile indoor or outdoor applications. ?? Specifications: Model: A240501 Input Voltage: AC 10?28 V (ideal for 12 V or 24 V systems) Output Voltage: DC 5 V 0.2 V Current Output: 5A Power Rating: 25 W Efficiency: 95% Waterproof Housing: Yes ? sealed epoxy design Polarity Protection: Built-in Size: Approx. 45 25 20 mm ? Wiring Instructions: Input (AC/DC side): Two red wires marked ?R? and ?B? ? these are the input terminals. The converter is non-polarized, meaning you can connect either red wire to positive (+) or negative (?) Output (DC Side): Yellow Wire (Y): Positive (+) 5 V output Black Wire (B): Negative (?) ground ? Applications: Step-down converter for 12 V or 24 V vehicles Power supply for Raspberry Pi, ESP32, or Arduino Industrial control and PLC systems LED lighting and sensors Marine, solar, and off-grid setups ? Package Includes: 1 A240505 AC-DC Converter Module