SECO-LARM of Irvine, Calif., offers its ENFORCER DP-121Q video door phone. The product displays an image of the visitor shown in real-time on the phone’s monitor, and a built-in microphone and speaker on the camera unit lets users communicate with visitors. Authorized visitors can then be granted entry with a push of a single button.
The DP-121Q lets users securely and remotely talk to visitors, and when connected to an electric lock, allows users to grant access to doors or entrances. The camera turns on automatically when a visitor calls, or can be turned on manually to provide surveillance of an entrance area.