Seriously buy this app
If you own Phillips hue lights then I strongly suggest you buy this app, I say this because first off its a great app and secondly when you buy this app not only are you getting a great app you are also funding improvements to the app and hopefully there will be more updates to an already great app that captures the Lightning of basically anything that you point your camera at, I am excited to see the future of this app for Phillips hue lights
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Hue Camera for Philips Hue