The SwannBuddy4K is a full-featured, easy-to-install wireless video doorbell and chime unit. Upgraded with stunning 4K Ultra HD video, it can operate 100% wire-free with the rechargeable battery or connect to your existing doorbell wiring. See every detail with head-to-toe view, 165° viewing angle and 1:1 aspect ratio. True Detect senses heat and movement for reliable alerts and recording. See in the dark up to 8m via powerful infrared night vision, and save 1000’s of clips locally with no monthly fees to worry about. Included Chime unit give you the option of knowing someone is there without having to look at your phone, with six melodies to choose from. 4K Ultra HD day & night colour video. Talk & listen with 2-way audio to greet guests & warn intruders. Wide 165o viewing angle & 1:1 aspect ratio to see who’s at the door from head-to-toe. Free recording, save your clips to cloud & locally to SD card (32GB included in pack) & NO monthly fees.