“Alexa, show the front door camera.” This bundle includes an Echo Show 5 and a Blink XT2 1-Camera System - everything you need for smart home security. Extended battery life - 2-year battery life on two AA lithium batteries with a combination of two-way talk, Live View, and motion recording. Double the usage of the XT on a single set of batteries when recording video. 2-way audio - Talk to visitors through the Blink app on your smartphone or tablet.