The Allzy range CAT number 681149 is a DND External Unit SP 1+1M White, designed for hospitality and hotel functions, specifically for indication purposes. This one-way switch with an indicator unit features a single pole and comes in a white color. It can be mounted both flush and surface-mounted, providing flexibility in installation. The unit consists of two modules, each measuring 22.5mm in width, 45mm in height, and with depths of 42mm and 37.8mm respectively, and weighs 27.2 grams. The connection is made through screw terminals with a capacity of 0.75mm² to 1.5mm², and requires a 4mm flat-blade screwdriver for installation. The switch operates with a rocker mechanism and includes an LED indicator for electronic signaling. The materials used include polycarbonate for the rocker, lens, and front cover, polypropylene for the base and transmitter, and brass for the contact and pivot terminals. The unit is designed to be self-extinguishing at 850°C for 30 seconds and operates at 230V AC with a current rating of 6A. It conforms to Legrand's company standards, ensuring high quality and reliability.