Dahua Technology VTH2421FB video intercom system 17.8 cm (7) Black

Supported network protocols: TCP/IP | Built-in microphone: Yes | Built-in speaker(s): Yes | Speakerphone: Yes | Operating temperature (T-T): -10 - 55 °C | Placement supported: Horizontal | Colour: Yes | Indoor unit included: Yes | Product colour: Black | Height: 119.6 mm | Speaker power: 1.5 W | Backlight display: Yes | Display resolution: 1024 x 600 pixels | Number of speakers: 1 | Touchscreen type: Capacitive | Outdoor unit included: No | Indoor unit power type: DC | Power consumption (standby): 1 W | Video formats supported: H.264 | Weight: 350 g | Depth: 21.5 mm | Operating relative humidity (H-H): 10 - 90% | Ethernet interface type: Fast Ethernet | Display technology: LCD | Ethernet LAN data rates: 100 | Display diagonal: 17.8 cm (7") | Number of displays supported: 1 | Ethernet LAN data rates: 10 | Power consumption (typical): 7 W | Connectivity technology: Wired | Wall mountable: Yes | Touchscreen: Yes | Operating system installed: Linux | Width: 221.5 mm | Voice codecs: G.711u | Voice codecs: G.711 | Voice codecs: PCM