Es ist ein Trafo inklusive, quasi Plug and Play

Double-sided adhesive tape is applied to the back of the continuous rooflight at intervals. I cannot judge the adhesive strength on roughcast.

Take a look at this video - then you'll see the differences. The Solo is not extendable! https://www.youtube.com/watch?v=hUNfdECkp18

Yes, you can control the Philips Hue Solo Lightstrip and define colours without additional accessories, but with some restrictions. - You can control the Lightstrip with Bluetooth, which allows you to change the colour, brightness and intensity directly via the Philips Hue app without the need for a Hue Bridge. - You can also control the Lightstrip with smart home assistants such as Amazon Alexa, Google Assistant and Apple HomeKit. However, for full functionality, including automations and remote control, a Hue Bridge is required, which must be purchased separately.