Product SKU : AlbaUrmet-E7CM High Res. 7" LCD Colour Video Phone Monitor with 2 way handfree duplex audio, Door lock open function, Built in Auto selector switch for two door cameras. Soft Touch Buttons, Built in Memory to store 2 images per call having total 50 images in 50 groups with Date / Time stamp and OSD menu control. Additional SD card slot for Video recording. Built-in SMPS Power Supply. Surface Mount Dimensions - (W-220 x H-160 x D-40)mm. GLOSS WHITE finish.