- General Information
- Manufacturer
- Zhejiang Dahua Technology Co., Ltd.
- Manufacturer Website Address
- http://www.dahuasecurity.com
- Brand Name
- Dahua
- Product Series
- VTO4
- Product Type
- Video Door Phone Sub Station
- Technical Information
- Communication Mode
- Full-duplex
- Wiring Type
- 2-wire
- Camera
- Image Sensor Type
- CMOS
- Camera Resolution
- 2 Megapixel
- Horizontal Viewing Angle
- 169°
- Vertical Viewing Angle
- 87°
- Diagonal Viewing Angle
- 177°
- Power Description
- Power Consumption
- 12 W
- Physical Characteristics
- Product Color
- Silver
- Product Material
- Anodized Aluminium
- Height
- 100 mm
- Width
- 100 mm
- Depth
- 36 mm
- Weight (Approximate)
- 350 g
- Miscellaneous
- Application/Usage
- Access Control
- Door Entry
- Apartment
- Additional Information
- System:
- Main Processor: Embedded processor
- Operating System: Embedded Linux Operation System
- Button Type: Mechanical
- Interoperability: ONVIF; CGI
- Network Protocol: SIP; P2P; IPv4; UPnP; SNMP; DNS; DDNS; RTSP; RTP; TCP; UDP
- Focal Length: 1.9 mm
- WDR: 120 dB
- Noise Reduction: 3D NR
- Video Compression: H.265
- Video Resolution:
- 50Hz: Main Stream (720P@25 fps), sub stream (1080P@25 fps)
- 60Hz: Main Stream (720P@30 fps), sub stream (1080P@30 fps)
- Video Frame Rate: 25 fps
- Video Bit Rate: 256 Kbps to 4 Mbps
- Light Compensation: Auto IR
- Day/Night: Auto (ICR)
- Audio Compression: G.711a; G.711u; PCM
- Audio Input: 1 channel
- Audio Output: Built-in speaker
- Audio Enhancement: Echo suppression/digital noise reduction
- Audio Bit Rate: 16 KHz, 16 Bit
- Status Indicator Light: 3
- RS-485 Port: 1
- Alarm Output: 1
- Power Output: 1-ch 12 VDC 100mA
- Exit Button: 1
- Door Status Detection: 1
- Lock Control: 1
- Network Port: One RJ45 10M/100M network port
- Power Adapter: Optional
- Installation: Flush/surface mount
- Protection: IK07; IP65
- Operating Temperature: -30°C to +60°C (-22°F to 140°F)
- Operating Humidity: 10%-90% (RH, non-condensing)
- Operating Altitude: 0 m-3000 m
- Gross Weight: 0.4 kg (0.88 lb)