... photoes any time.Or Select preview mode in menu 10. 3 pcs AA battery ,support to view outside for more than 1200 ... with Photo-snapping and doorbell functions 2. 3.5 inch LCD screen biggest size in the market! 3. Nice design, multi-colors for option ... to change the door structure, 160 degree lens 11.Accessories: Base Flange, Tightening Tool, Peephole, 3 AA batteries, User Manual, National Warranty Card ...