Digital Door Viewer ZKTeco VD04-A01 – Display screen: 4.3-inch TFT. – Image sensor: 1MP. – Viewing angle: Horizontal 120° (diagonal 170°). – Record mode: Photo/Video. – Memory card: Support TF card up to 32G. – IR Led: 2PCS, 850nm.   – Power supply: Rechargeable Battery. – Door thickness 35~120 mm. – Bảo hành: 12 tháng. Vu Baosmnet.vn