- Double wall switch for the convenient switching on/off of the ceiling light via WiFi ,- Wall switch for integration into your own WiFi network via the free Hama Smart Solution app ,- Works without gateway/bridge ,- Existing wall switches can easily be replaced with this one ,- Glass surface with two soft-touch buttons ,- Up to two lights can be switched on/off ,- Control via free app or optionally via Amazon Alexa and Google Home voice control ,- Also controllable on the move via the app, keeping you in full control ,- IFTTT compatible ,- Also controllable by hand (WLAN-independent) ,- Supports timed control ,- Flush mounting , ,System Requirements: ,- Operating system: Android 4.3 and iOS 8.0 or later , ,Note for Consumers: ,Installation only by a qualified electrician. , ,Amazon Alexa: ,to do so, the required Alexa skill Hama Smart Solution must be activated in the Alexa app. The user account for the Hama Smart Solution app is then connected to Alexa. ,This allows the devices to be controlled via voice control (e.g. switching on/off, stepless dimming, changing colours). , ,Google Home: ,the Hama Smart Solution” service must be activated in the Google Home app for this. The user account for the Hama Smart Solution app is then connected to Google. ,This allows the devices to be controlled via voice control (e.g. switching on/off, stepless dimming, changing colours).