Upgrade your everyday peephole to a motion-detecting, two-way-talking, HD video doorbell. Easy to install and completely non-invasive, Peephole Cam sets up or comes down in minutes making it perfect for both homes and apartments. See who's at your door, sense knocks, and get alerts from anywhere, so you can spend less time worrying about home and more time enjoying your every day. This item includes: A free trial of Ring Home1 Please note: Peephole Cam is compatible only with standard size peepholes 1/2 in to 9/16 in (12 mm to 14 mm) and door thickness ranging from ~1.3 in to ~2.2 in (34 mm to 55 mm). | Ring Peephole Camera (Video Doorbell) in Multi | Smart Home Security