Compatible with Windows 7 and Windows XP (32bit and 64bit); designed for easy use. Applications and versatility Can be applied to home intelligent switches control, hotel intelligent switches control, hotel intelligent electrical appliance control, shopping mall intelligent switches, company factory intelligent switches. Suitable for Internet cafe timing management, karaoke timing control, Internet of Things, industrial control equipment, test equipment power control. Supports street lamp management, intelligent management, and centralized power management. Flexible power and reliable relay behavior Two power supply options provide flexibility. After connecting power, the relays retain their set state even if the computer is turned off or USB is unplugged from the computer. Driver plugandplay The module uses technology that does not require drivers. The downloaded data package includes its own application program; plugandplay operation. Use scenarios Hotel and hospitality: automate guest room and corridor lighting and electrical appliance control for energy efficiency and guest comfort. Internet cafes and karaoke venues: implement precise timing control and power management for PCs and peripherals to improve operational efficiency. Street lighting and centralized power management: manage outdoor lighting or facilitywide power schedules in campuses, factories, or shopping centers for reliable, centralized control.