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

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