SUNLIT TECH SL-DV02 Intelligent Door Viewer with LCD Display (Gold)
This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases Auto photo/Record, ultra wide angle view, No Blind Zone. Infrared night vision. Bright & clear big LCD 2.8″ TFT show who is knocking at the door. Auto detection of people staying in front of door more than 20 seconds, alarm sound