popikachu SG hole-with-glass-or-plastic-like-magnifiying-glass-to-look-outside-your-door-when-people-ring-your-door-bell Yup. That's the name.
dragg SG peephole One entry found for peephole. Main Entry: peep·hole Pronunciation: 'pEp-"hOl Function: noun : a hole or crevice to peep through
OasisBlue SG i think its call door viewer "Increase the privacy in your home with this door viewer that mounts into your entrance door so you can see who is there before opening your door."
798 SG just tell the shop owner, "i want to buy the 'there there the thing on the door dat can see pple outside from inside my house', how much?" i think the shop owner will know wat u mean.
