AC-DC power converter: input voltage is 10-28V AC, output voltage is 12V DC; maximum output current is 5A; no-load current is 10mA and operating temperature is -40 degrees Celsius to 80 degrees Celsius Waterproof design: IP68 rated for protection against dust and water, the 10-28V to 12V voltage regulator housing is made of flame retardant plastic, and the encapsulation material is epoxy resin, providing safety, corrosion resistance and waterproof performance; suitable for short-term underwater use High conversion efficiency: The AC/DC buck converter includes a compact built-in switching regulator module with a conversion efficiency up to 96% Multiple protections: The AC-DC power converter uses a micro-processing chip to enable overvoltage, overcurrent, overtemperature, and short circuit protection with automatic recovery Wide application range: This AC-DC 12V power supply module is suitable for car monitors, surveillance cameras, fans, water pumps, motors, routers, and other electronic devices