I just upgraded to a smart lock with built-in video doorbell camera — and it’s a game changer for my home Hunter Fenollol specializes in smart home gadgets and appliances with a focus in robot vacuums, Roombas and security cameras. Additionally, the J15’s mopping system—including an automatically extending mop pad https://www.youtube.com/watch?v=Lhgk6D1ayeM&