Questions about Philips Hue Imprint Base

Yes the housing is waterproof.

Yes, for sure. It takes 220 V, why should it have an external brick? Just connect the cable to your power line.

Hoi, I don't think so. The back wall is completely flat and has a feed hole in the middle. I have the same problem. I will mount the lamp with spacers so that I can feed the cable. If you are looking for a lamp that you can surface-mount outdoors as you have described, oval lamps are almost the only option https://www.google.ch/search?q=grid lamp&tbm=isch&tbs=rimg:CfN0VEhAdu5PIjhpsVLrI4YIJcQnF57pi5YpEKzMy6dYXOM3bPNppoua6KekfRDlqPtrzazR9X6UK4Jk8oi8qKJQ-.CoSCWmxUusjhgglEbtYGMgk3HKsKhIJxCcXnumLlikRD1jzgwsv81oqEgkQrMzLp1hc4xGsdyWdyma61ioSCTds82mmi5roEZR96JRL5BkGKhIJp6R9EOWo-2sRhy6oahLSTPkqEgnNrNH1fpQrghEndHsfGkmphioSCWTyiLyoolD4ETvK68cvPeFn&tbo=u&sa=X&ved=2ahUKEwjt85PYxKfjAhXCCewKHSiFD04Q9C96BAgBEBs&biw=1368&bih=770&dpr=2#imgrc=2_gq4mwaSDnUOM: . With everything else, you'll have to improvise a bit. Greetings Judith