SKU: help-protect-your-home-inside-and-out-with-the-blink-whole-home-bundle-featuring-video-doorbell-outdoor-4-mini-and-sync-module-2-see-and-speak-from-the-blink-app-experience-1080p-hd-live-view-infrared-night-vision-and-crisp-two-way-audio-two-year-battery-life-set-up-yourself-in-minutes-and-get-up-to-two-years-of-power-on-your-outdoor-4-and-video-doorbell-with-the-included-aa-lithium-batteries-designed-for-every-home-go-wire-free-or-connect-video-doorbell-to-existing-wiring-to-sound-your-in-home-chime-