AC-DC 5V 700mA 12V 450mA 9V 500mA 3.5W Precision Buck Converter AC 220V to 5V DC step down Transformer power supply module
USD 0.85USD 1.70
AC-DC 5V 700mA 12V 450mA 9V 500mA 3.5W Precision Buck Converter AC 220V to 5V DC step down Transformer power supply module