its a light node. for more, read the docs at https://phoenix.acinq.co/server
Discussion
That's perfect for starting to accept Bitcoin Lightning. You set this up on an existing NAS or a small PC (Raspberry or whatever come cheap and reliable enough) or even on a VPS, then in minutes you have you PoS, Lightning Address and everything LNbits has to offer to start with Bitcoin.
I will try to test it.