Digital Door Viewer ZKTeco VD02-A01 – Display screen: 2.4-inch LCD color screen.  – Image sensor: 0.3MP. – Viewing angle: 90°. – Record mode: Photo. – IR Led: 2PCS, 850nm. – Power supply: Rechargeable Battery. – Door thickness: 35~120mm. – Bảo hành: 12 tháng. Vu Baosmnet.vn