The SI-ZH4 face recognition door phone is equipped with a 4-inch IPS color screen and incorporates high-precision face recognition technology. It features anti-spoofing liveness detection for images, videos, and masks, maximizing community security. Additionally, it supports audio and video communication with IP phones, indoor stations, or via a mobile app. With multiple door opening methods, it is widely applicable in community, apartment, and office building scenarios. 4-inch IPS color screen with clear and intuitive interface. Equipped with the latest face recognition technology and anti-spoofingalgorithms, ensuring community security. Independently developed voice intelligent noise reduction algorithm ensuresclearer audio and video calls. Aluminum alloy casing design, showcasing high-end quality. Supports the standard ONVlF protocol, providing high flexibility and excellentcompatibility. IP66/lK07 high protection rating, enhancing the lifespan and stability of theproduct