The SwannBuddy4K is a full-featured, easy-to-install wireless 4K video doorbell & chime unit. 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 and a super-wide 165° viewing angle. True Detect senses heat & movement for reliable alerts. See in the dark up to 16ft or 5m with powerful infrared night vision and save 1000’s of clips locally. It’s security you can trust and fee free.