The BIOTEKNIX HLSW-MF GREY is a premium RFID hotel lock switch designed to provide intelligent room energy management and enhanced operational efficiency for hotels, resorts, serviced apartments, and hospitality environments. Engineered with advanced MIFARE card technology, the device enables automatic power control within hotel rooms, helping reduce unnecessary energy consumption while improving guest convenience. Designed with a modern grey finish and durable construction, the BIOTEKNIX HLSW-MF GREY integrates seamlessly with electronic hotel lock systems and hospitality management solutions. The switch activates room power only when an authorized MIFARE hotel card is inserted, ensuring controlled electricity usage and optimized energy savings in occupied and unoccupied rooms. The device supports stable and reliable performance with fast card detection technology, making it suitable for continuous daily operation in high-traffic hospitality environments. Its compact and elegant design complements modern hotel interiors while providing professional room automation functionality.