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

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