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 & save 1000’s of clips locally. It’s security you can trust & fee free. | Swann | | Refurbished Excellent | Buddy 4K UHD Wireless Video Doorbell & Chime, No Monthly Fee, Ultra-Wide 165° View, 2-Way Audio, Night | White | Best Buy