Automatic Curtain System operated by Remote Control. Built-in 6-Pin RJ12 Port for Dry Contact to Control 4, Z-wave, Insteon, Crestron,... Works with Amazon Echo, Google Home or Apple Siri with the following 2 items: 1) WiFi Smart Plug (TP-Link, Wemo, Idevices...) (available in Amazon) 2) Curtain Call Adapter Cable 1450 (available in Amazon)