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Dahua VTH5221DW-S2 is an elegant and functional indoor IP intercom monitor with a 7″ TFT capacitive touchscreen, providing clear visual communication with outdoor video door stations, Wi-Fi and PoE network connectivity, two-way audio, and local micro-SD storage. It delivers a convenient and reliable access control experience for both home and office environments.
Key Advantages
7″ TFT capacitive touchscreen → intuitive control and clear video image
1024×600 resolution → sufficient detail level for everyday communication
Wi-Fi (IEEE802.11b/g/n) → wireless network connection without additional wiring
PoE (802.3af) support → power and data over a single Ethernet cable
SIP protocol support → connection to IP door stations and SIP systems
Two-way audio → clear voice communication with a visitor or the outdoor panel
Micro-SD support up to 32 GB → local video/snapshots storage
Built-in microphone and speaker → quality audio experience without extra equipment
Technical Specifications
Type → IP indoor video door intercom monitor
Model → VTH5221DW-S2
Display → 7″ TFT capacitive touchscreen
Resolution → 1024×600
Video compression → H.264
Audio compression → G.711
Audio → built-in microphone and speaker
Two-way audio → supported
Network connection → Wi-Fi (IEEE802.11b/g/n) and Ethernet 10/100 Mbps
Protocols → SIP, TCP/IP, etc.
Alarm integration → 6 wired inputs, 8 wireless inputs (433 MHz), and 1 output
RS-485 port → 1
Storage → Micro-SD up to 32 GB
Power supply → PoE (802.3af) or DC 12 V
Operating system → built-in Linux
Operating temperature → –10 °C to +55 °C
Dimensions → ~215 × 140 × 21 mm
Weight → ~0.8 kg
Color → white
Compatibility
Compatible with IP video door stations that support the SIP protocol (including Dahua and other SIP solutions)
Wi-Fi provides flexible connection to the home network and DMSS mobile apps
Supports alarm sensor integration via wired or wireless channels
Not intended for simple analog video call functionality without IP/SIP connectivity
How to Use
Place the monitor indoors on a wall or another easily accessible location
Connect to a Wi-Fi network or an Ethernet (PoE) network
Connect to an IP video door station or a SIP server for system configuration
Configure video/audio parameters and SIP settings
Insert a micro-SD card to store snapshots or short recordings
Integrate sensors via alarm inputs if required
Use two-way audio to answer door calls
Why Choose This Product
Dahua VTH5221DW-S2 provides a balanced feature set with Wi-Fi and SIP support, extensive alarm integration, and local micro-SD storage, making it a practical and flexible indoor monitor for video door systems. Its intuitive touchscreen and stable PoE connection deliver accessible, efficient, and reliable access control for everyday use.
Real-Life Use Scenarios
Apartment entrance video communication with visitors
Indoor monitor for a private house near the door or vestibule
Integration with alarm sensors via wired or wireless channels
Managing SIP voice/video calls across multiple rooms
Storing snapshots and short videos on a micro-SD card
Package Contents
Dahua VTH5221DW-S2 7″ indoor IP monitor
Surface-mount bracket and accessories
About the Brand
Dahua Technology is a global security technology brand driving innovation in IP video intercom and access control systems, delivering stable, modern, and easy-to-integrate solutions for both residential and business security needs.