Dahua VTO2202F-PS3 IP door station 2-wire for private homes

System:
Main Processor: Embedded Processor
Operating System: Embedded Linux Operation System
Button Type: Mechanical
Number of Buttons: 1
Interoperability: ONVIF; CGI
Network Protocol: IPv4; RTSP; UDP; DNS; P2P; UPnP; RTP; TCP; SIP
Basic:
Camera: 1/2.9″ 2 MP CMOS
Field of View: H: 168.6°, V: 87.1°, D: 176.7°
WDR: 120 dB
Noise Reduction: 3D NR
Video Compression: H.265; H.264
Video Resolution: 
Main stream: 720p; WVGA; D1; CIF
Sub stream: 1080p; WVGA; D1; QVGA; CIF
Video Frame Rate: 25 fps
Video Bit Rate: 256 Kbps to 8 Mbps
Light Compensation: Auto IR
Day/Night: Auto(ICR)/Color/B/W; Color/B/W
Audio Compression: G.711a; G.711u; PCM
Audio Input: 1 channel
Audio Output: Built-in speaker
Audio Mode: Two-way audio
Audio Enhancement: Echo suppression/digital noise reduction
Audio Bit Rate: 16 kHz, 16 bits
Function:
Communication Mode: Digital 2-wire
Unlock Mode: Remote
Leave Videos: Yes (SD card is inserted in the indoor monitor or door station)
Storage: Supports Micro SD card (up to 256 GB)
Web Configuration: Yes
Performance:
Casing Material: Aluminum
Port:
RS-485: 1
Alarm Output: 1
Power Output: 1 port, 12 V/600 mA
Exit Button: 1
Door Status Detection: 1
Lock Control: 1
Network Port: 1 x RJ-45 port, 10/100 Mbps network port
Alarm:
Tamper Alarm: Yes
General:
Appearance Color: Silver
Power Supply: Dahua 2-wire switch (max. power supply distance is 50 m)
48 VDC, 1 A; PoE (802.3af/at)
Power Adapter: Optional
Installation: Flush Mount; Surface Mount
Certifications: CE
Accessory: Surface mount box (optional); flush mount box (optional); rain cover (optional)
Product Dimensions: 130 mm x 96 mm x 28.5 mm (5.12″ x 3.78″ x 1.12″)
Protection: IK07; IP65
Operating Temperature: –30°C to +60°C (–22°F to +140°F)
Operating Humidity: 10%–90% (RH), non-condensing
Operating Environment: Outdoor
Operating Altitude: 0 m–3000 m (0 ft–9842.52 ft)
Power Consumption: < / =4 W (standby), < / =5 W (working)
Gross Weight: 0.48 kg (1.06 lb)
Storage Temperature: 0 °C to +40 °C (+32 °F to +104 °F)
Storage Humidity: 30%–75% (RH), non-condensing