The Dahua VTO4201F-P video door phone supports two-way communication and remote door unlocking, as well as calls via a dedicated mobile app. Its 2 MP CMOS camera has a 168.6° viewing angle and 120 dB WDR technology, while noise reduction is provided by 3D-DNR.

The housing is made of aluminum, and the device can be surface-mounted or recessed. It features a display, supports PoE, and includes an integrated 8 GB SD memory card.

• Type: Video door phone
• Communication: Two-way
• Camera: 2 MP CMOS
• Viewing angle: 168.6°
• Dynamic range: 120 dB WDR
• Noise reduction: 3D-DNR
• Display: Integrated
• Door unlocking: Remote
• App: Calls via a dedicated mobile app
• Housing material: Aluminum
• Installation: Surface-mounted or recessed
• Power supply: 12 V DC
• Interface: RJ-45 (10/100 Mbit/s)
• Software: Linux
• PoE: Supported
• Memory card: Integrated 8 GB SD
• Operating temperature: From -30 °C to +60 °C