Yes, you can extend the Lightstrip Plus twice. The Philips Hue Lightstrip Plus can be extended up to 10 meters using 1-meter extensions, so adding two 100 cm extensions is possible. However, ensure that you are using the correct version of extensions compatible with your Lightstrip Plus model.

Yes, you can buy two Philips Hue Lightstrip BT extensions and connect them to your Philips Hue Lightstrip Plus (2 metres, indoor). The Lightstrip Plus can be extended with up to eight 1 metre extensions, giving a maximum total length of 10 metres.

so I can buy 2 times Philips Hue Lighstrip BT extension which works with this Lightstrip plus??