Answer your door any time and anywhere from your smartphone with the Blink Video Doorbell. It features 1080p HD day and infrared night video for clear viewing in all conditions. Enjoy crystal clear two way audio to speak with visitors. Receive instant motion and chime app alerts directly to your smartphone, ensuring you never miss a visitor. Designed for easy setup and weather resistance, this video doorbell is built to last. It is also Alexa enabled for seamless integration with your smart home system. Includes a Sync Module 2 for local video storage and enhanced functionality.