4K video doorbell and chime unit. Offers head-to-toe view and wide 165° viewing angle, with powerful infrared night vision up to 5m, and the option to save clips locally. Can be connected to existing wiring, or operated wire-free with the rechargeable battery. Compatible with SwannShield AI Voice Concierge software. Works with - iOS App - Android App Rechargeable Battery or Hard-Wired Intercom & Battery-Powered Chime 5m IR/Night Vision Range Camera Resolution: 4K 6 Melodies Dependent on Local WiFi Range Adjustable Volume Real-Time Viewing & Video Record 165° Wide Viewing Angle Internet Connection Required Works with - iOS App - Android App Rechargeable Battery or Hard-Wired Intercom & Battery-Powered Chime 5m IR/Night Vision Range Camera Resolution: 4K 6 Melodies Dependent on Local WiFi Range Adjustable Volume Real-Time Viewing & Video Record 165° Wide Viewing Angle Internet Connection Required