Logi Circle review: Logi's people-detecting camera isn't sure I'm human - CNET
Logitech Streamcam - Testinurkka
Amazon.com : Logitech Circle 2 Indoor/Outdoor Wired Home Security Camera Works with Alexa, HomeKit and Google, with Easy Setup, 1080p HD, 180° Wide-Angle, Night Vision, 2-Way Talk, Alerts, Free 24-Hours Storage :