--- title: Installation Manual, EU 1 Gang Smart Dimmer (L21EU/L21WHEU) description: Lightwave L21EU/L21WHEU 1 gang Smart dimmer installation manual in, English, Spanish, Italian, Portuguese, French, Turkish and Swedish --- [Skip to content](https://support.lightwaverf.com/knowledge/installation-manual-eu-1-gang-smart-dimmer-l21eu#main-content) Open main navigation Close main navigation - [WhatsApp: +44 7480 784990](https://wa.me/+447480784990) [WhatsApp: +44 7480 784990](https://wa.me/+447480784990) How can we help you? - There are no suggestions because the search field is empty. 1. [Help Center](https://support.lightwaverf.com/knowledge?hsLang=en) 2. [Installation Guides](https://support.lightwaverf.com/knowledge/installation-guides?hsLang=en) 3. [Lighting](https://support.lightwaverf.com/knowledge/installation-guides?hsLang=en#lighting) # Installation Manual, EU 1 Gang Smart Dimmer (L21EU/L21WHEU) ## Please find the Links below for the L21 EU Manual in your perfered language **[English![LP21EU](https://support.lightwaverf.com/hs-fs/hubfs/Tidy%20Up/Installation%20Guides/Device%20Pictures/LP21EU.webp?width=200&height=200&name=LP21EU.webp)](https://support.lightwaverf.com/hubfs/English%20-%20Europe-1%20gang%20dimmer%20-%20installation%20manual%20(L21L21WH)-1.pdf?hsLang=en) [Spanish](https://support.lightwaverf.com/hubfs/Spanish%20-%20European%20Installation%20Manual%20Smart%20Dimmer%20(L21L21WH)-1.pdf?hsLang=en) [French](https://support.lightwaverf.com/hubfs/French%20-%20European%20Installation%20Manual%20Smart%20Dimmer%20(L21L21WH)-1.pdf?hsLang=en) [Portugese](https://support.lightwaverf.com/hubfs/Portugese%20-%20European%20Installation%20Manual%20Smart%20Dimmer%20(L21L21WH)-1.pdf?hsLang=en)  [Italian](https://support.lightwaverf.com/hubfs/Italian%20-%20European%20Installation%20Manual%20Smart%20Dimmer%20(L21L21WH)-1.pdf?hsLang=en) [Turkish](https://support.lightwaverf.com/hubfs/Turkish%20-%20European%20Installation%20Manual%20Smart%20Dimmer%20(L21L21WH)-1.pdf?hsLang=en) [Swedish](https://support.lightwaverf.com/hubfs/Swedish%20-%20European%20Installation%20Manual%20Smart%20Dimmer%20(L21L21WH)-1.pdf?hsLang=en) [German](https://support.lightwaverf.com/hubfs/Deutsch-%20European%20Installation%20Manual%20Smart%20Dimmer%20(L21L21WH)-1.pdf?hsLang=en)** **Have Feedback?** It would be great to hear your thoughts and suggestions on our installation manual, you can leve your feedback [**here**](https://survey.hsforms.com/1VPclFIe_TpaUy1Drkvv4_Q2u2t9)  - [What do I need? 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