Two-Way Audio Built-in Microphone Built-in Speaker Audio Compression Audio Sampling Rate: 8KHz Environment Noise Filtering Audio Bit Rate: 64 Kbps(G.711 alaw)

TP-LINK (InSight S345-4G) VIGI 4MP Outdoor Full-Colour 4G Bullet Network Camera w/ 4mm Lens, 4G Mobile Networking, 3x LAN, AI Detection/Classification, Two-Way Audio