Blink Indoor is a wireless, battery-powered security camera that helps you check in on your home day or night with infrared night vision. With long-lasting battery life, Indoor runs for up to two years on two AA lithium batteries (included). Store video clips and photos in the cloud with the Blink Subscription Plan and save events locally to the Blink Sync Module 2 via a USB flash drive (sold separately). Get customizable motion alerts on your phone through the Blink Home Monitor app so you’re only alerted when you need to be. See, hear, and speak to people and pets in your home with live view in real time and two-way audio features in the Blink app. Designed so you can set up yourself in minutes. No wiring, no professional installation required. Works with Alexa – use your voice to monitor your home through supported Alexa-enabled devices. Includes one Blink Indoor camera and one Sync Module 2.