Novastar MFN300-B Multifunction Box (DEMO)The MFN300 B Multifunction Card from NovaStar is a desktop box that offers RS 232 serial or Gigabit Ethernet port communication with support for two receiving cards. It integrates a timer function and can replace a timer and delayer, and it has a broad range of reliable detection features, including humidity and temperature detection of power distribution box, and features eight way power switch control, four way light sensor connection for automatic