Blink Video Doorbell System in White with a Sync Module Core included. Get a head-to-toe HD view at your door day and night with infrared night vision, and hear and speak to visitors using two-way talk in the Blink app. Runs on three AA Energizer lithium batteries for up to two years of coverage.\n\nBlink Video Doorbell System White with Sync Module Core HD Wireless\n\nSeller Info\n\nUK Seller\nUK Stock\nBrand New\n\nFast Dispatch\nUsually within 24 hours\n\n30-Day Returns\nNo hassle refunds\n\nQuick Responses\nUsually within 4 hours\n\nOverview\n\nThis is the second-generation Blink Video Doorbell, supplied in White together with a Sync Module Core. It gives you a head-to-toe HD view of your door and infrared night vision, so you can greet guests and watch packages arrive at any hour. Two-way talk through the Blink app lets you hear and speak to whoever is at the door.\n\nSetup is wireless and simple, and the doorbell runs on three AA Energizer lithium batteries for up to two years a