Rocker switch can be screwed on with 5 lenses included S.1/B.3/B.7, anthracite, matt. Rocker switch can be screwed on with 5 lenses included with cover plug for screwing. For rocker switch off/changeover, cross. For rocker button. For lighting and control circuit. For 1-way button BA and 1-way group button BA, lenses with symbol for light, bell, door and neutral in clear, as well as neutral in red transparent. Flush-mounted installation, surface/design program. Material: plastic, thermoplastic, shatterproof, halogen-free.