知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 按门铃抓拍/录像功能：门外有人按门铃，门锁上的猫眼会抓拍或者抓录并发到手机，掌握来访人员身份后再决定是否开门。 NB: Since the proof was in Macmillan's dictionary currently, I should consult with more than one dictionary Any longer. 布防告警：开启该功能后，当有人从屋内开启门锁时，门锁会推送告警通知。 Explain to us about t... https://lawyerindhakarachi76088.onesmablog.com/a-review-of-constitution-law-in-dha-karachi-pakistan-77310338