Hikvision DS-KH6110-WE1: IP indoor station with a 4.3-inch touch screen: see the visitor, talk and open the door. Standard PoE, so one network cable powers it; Wi-Fi and the Hik-Connect app to answer on your phone.

Hikvision DS-KH8520-WTE1: IP indoor station with a 10.1-inch touch screen. Answer the door, talk and open it, watch up to 16 cameras, and do the same from your phone with the Hik-Connect app. PoE or 12 VDC, Wi-Fi.

Hikvision DS-KH9310-WTE1: Android indoor station with a 7-inch touch screen. Answer the door and open it, watch up to 16 cameras, and install Android apps; the Hik-Connect app comes pre-installed. PoE or 12 VDC, Wi-Fi.

Hikvision DS-KH9510-WTE1: all-in-one indoor station with a 10.1-inch Android touch screen: video intercom, up to 16 cameras and a built-in wireless alarm panel with 7 s video verification. Install Android apps; answer on your phone with Hik-Connect.