It can supply 12 V DC from 100V AC - 240V AC and has a power rating of 3 watt. This makes it perfect for small projects that need a 12 volt supply from mains. There are many advantages for these modules, such as low temperature rise, low power, high efficiency, high reliability, high-security isolation etc. It is widely used in a smart home, automation and control, communication equipment, instrumentation and other industries.