Sonoff Triple Mounting Frame for Installing M5-80 Wall Switches A special mounting grille designed for installing Sonoff M5-80 wall switches. It allows you to create a neat and aesthetic, and above all evenly made installation consisting of three wall switches. Specification: Manufacturer: Sonoff Number of sockets: 3 Color: Black Material: PC V0 Dimensions: 22.8 x 8.6 x 14.8 cm