Security Wizard SWVD01 Recording Peep Hole Viewer with Door Bell Attachment, LCD Screen and Micro SD Card (Metallic Silver) Deter potential thieves, avoid annoying solicitors or unwanted guests, and keep a record of who's been at your house with the Security Wizard Alerts household with built in doorbell and automatically activates the LCD display inside of house Stores snapshot of each visitor with date and time stamp on included 128MB Micro SD Card Easy Installation allows unit to replace standard peephole Stores over 1200 pictures