The Dahua Ip Doorphone VTO2111D-P-S2 is a high-quality IP video intercom designed for modern residential and villa access control. It features a 1 MP HD CMOS camera with a wide-angle lens providing a broad field of view: horizontal 107°, vertical 61°, diagonal 122°. This camera supports WDR (120 dB) and 3D noise reduction, ensuring clear images even in challenging lighting conditions.

Highlighted features include:

• Night vision capability with auto IR and an ICR auto-switch for day/night functionality.
• Operating system: embedded Linux with various internet protocols such as ONVIF, SIP, and P2P.
• H.264 video compression supporting multiple resolutions and frame rates for optimal video quality.

The audio functionality includes a built-in omnidirectional microphone and speaker, enabling true two-way voice communication. Various audio compression standards are supported, including G.711a, G.711u, and PCM.

This doorphone is notably durable with an IP65 ingress protection rating and IK07 vandal resistance rating, suitable for outdoor installations. It operates reliably in extreme temperatures from –30°C to +60°C with a humidity range of 10%–90%.

Additional features ensure functionality and convenience:

• Mechanical call button for visitor interaction.
• Supports Mifare card reader and door control relays.
• Connectivity via Ethernet 10/100 Mbps and Wi-Fi.
• Tamper switch for enhanced security.
• Micro SD card slot for local video recording (up to 64 GB).
• Power options include DC 12V or PoE, with low energy consumption.
• Compact dimensions: 135 mm × 70.4 mm × 34.4 mm and weight of approximately 0.4 kg.

In summary, the Dahua VTO2111D-P-S2 IP Doorphone is robust and feature-rich, making it an ideal choice for video intercom installations in villas and homes.