This convenient security bundle lets you protect and monitor your home from anywhere the smart home security kit includes a connected home hub a door amp window sensor a siren with optional battery back up and a monitor hd these devices talk to each other and with the mydlink home smartphone and tablet app you can decide what it is you would like them to do technical specifications connected home hub dch g020 network protocols arp icmp tcpip ipv4 and ipv6 hnap d