Yealink A30 MeetingBar Zoom Certified,Double Web Cameras with 8 Microphones and Speakers, Wide Angle, Auto Framing, Speaker Tracking, Audio and Video Conferencing System for Medium Conference Room Panasonic While this type of relay

While this type of relay is commonly referred to as isolated safety relay

RJ9 connectivity to Yealink IP phones

8" 65 000 color TFT display High quality wideband voice Noise reduction Built in Bluetooth1 Hands free speaker phone (Full Duplex) Splash and Dust Resistant Vibration Up to 500 station personal phonebook Quick charge

Hikvision DS-2CD2232-I5-4MM

Yealink A30 MeetingBar Zoom Certified,Double Web Cameras with 8 Microphones and Speakers, Wide Angle, Auto Framing, Speaker Tracking, Audio and Video Conferencing System for Medium Conference Room Panasonic While this type of relayTwo Camera Design: Yealink A30 Professional all in one video bar features a wide angle camera with 122 field of view & a telephoto camera, picks up all the participants (up to 12 participants). 10x hybrid zoom support and a large sensor provide exceptional detail. The web camera comes with face brightness automatically optimized technology which can be used in low light conditions effectively. 8 MEMS Microphone Array and 2 Speakers for Full duplex