Razer Seiren Mini USB Condenser Microphone: for Streaming and Gaming on PC - Professional Recording Quality - Precise Supercardioid Pickup Pattern - Tilting Stand - Shock Resistant - Classic Black RZ19-03450100-R3U1 HDD Used with indoor detectors

Used with indoor detectors

Hikvision  Facial Door Station DS-KD9203-FE6 with 2 MP HD camera with high quality image

It supports full duplex

Hikvision 4 Port Gigabit Unmanaged POE Switch DS-3E0505HP-E with 3 × gigabit PoE ports

Razer Seiren Mini USB Condenser Microphone: for Streaming and Gaming on PC - Professional Recording Quality - Precise Supercardioid Pickup Pattern - Tilting Stand - Shock Resistant - Classic Black RZ19-03450100-R3U1 HDD Used with indoor detectorsRazer Seiren Mini USB Condenser Microphone: for Streaming and Gaming on PC Professional Recording Quality Precise Supercardioid Pickup Pattern Tilting Stand Shock Resistant Classic Black RZ19 03450100 R3U1 with Ultra Precise Supercardioid Pickup Pattern: The Razer Seiren Mini is tuned with a tighter pickup angle, so it can focus on your voice while ensuring that background noises like typing and mouse clicks dont get picked up, Professional Recording