VIANS TK-908 Touchless Exit Button – Infrared Door Release, LED Indicator, NO/NC/COM Output, 12–24V DCThe VIANS TK 908 Touchless Exit Button is a contactless door release solution designed for access control systems. It enables hygienic exit operation with clear LED status indication. Touchless infrared exit button LED status indicator Suitable for access control door release Compact and lightweight design Technical Specifications Brand VIANS Model TK 908 Product Name Touchless Exit Button Power Supply DC 12V 24V Output Contact NO NC COM LED Indicator