DAHUA VTH5421E-H IP video intercom indoor unit 7" black

The DAHUA VTH5421E-H is a 7-inch indoor unit for an IP video door intercom system, designed to let residents see and speak with visitors at the entrance. Its large display shows the caller clearly, and the unit supports hands-free answering as well as a handset for private conversations. Six input ports and one output port allow it to be integrated with connected devices, while a 12V DC output can power additional peripherals such as sensors and detectors.

The unit includes an SOS alarm function for emergency situations and uses H.264 video encoding with 16 kbps audio. Together these features make it a practical choice for managing access and improving security in residential or commercial buildings.