A smart and reliable home security solution, the Blink Video Doorbell offers enhanced protection and convenience for your doorstep. With flexible battery or wired installation options, this doorbell features Day and Night HD Live View and two-way audio communication. Chime alerts keep you informed, and the system works seamlessly with Alexa for added smart home integration. Ideal for monitoring your home while you're away, screening visitors, or simply adding an extra layer of security to your daily life. Measurements: • Black 130 x 42 x 34 mm Type: Video Smart Home Compatibility: Amazon Alexa Connectivity: Wireless Number of Batteries: 2 Smart Home Protocol: Wi-Fi Material: Plastic Features: Motion Activated, Built-in Speakers, Microphone, Night Vision, Audio Alert, Built-in Microphone, Video Recording, Streaming Video, Two-Way Audio Item Length: 3 in Keywords: Blink doorbell