Commax CDV1020AE Color Full LED Screen. 10.1″ color Full LED Back Light screen, AC 100-240V, 50/60Hz, Surface-mounted type, Supports up to 2 CCTV Cameras, 2 Bell Panels, 2 Monitors, 2 interphones, Intercom Function , Door Lock Release, Touch Screen , PIP (Picture in Picture) Built in Memory (128 cuts).Distance -Door camera: 50m(0.65Ø) Interphone: 20m(0.65Ø), Max.10W/standby 3.4W, Dimension(mm)240(W)×121(H)×27(D).