Outdoor 4 is our most affordable wireless smart security camera yet, offering up to two-year battery life for around-the-clock peace of mind. Local storage not included with Sync Module Core. 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 in minutes and get up to two years of power with the included AA Energizer lithium batteries and a Blink Sync Module Core.