This is what the Ambiance Gradient Lightstrip looks like inside - Hueblog.com
Philips Hue Gradient Ambiance Lightstrip (2m/6ft Base Kit with Plug), Flowing Multicolor Effect, Works with Amazon Alexa, Apple Homekit and Google Assistant, Bluetooth Compatible - - Amazon.com
Hue White and color ambiance Lightstrip Plus base V4 2 meter | Philips Hue HK
Philips Hue Gradient Ambiance 929002994901 Lightstrip 2 m Base White : Amazon.de: Home & Kitchen