Blink Video Doorbell (2nd Gen) & Blink Mini 2K+ Smart Camera Bundle Charger included: Y Depth: 50 MM Up to two years battery life with three AA Energizer lithium batteries and a Blink Sync Module (both included). 4x zoom to capture more even more detail. Colour vision in low light, allowing you to capture more detailed footage, even in challenging light conditions with a built-in LED light. Two-way-audio to hear and speak through the Blink app. Get alerts whenever a person is detected and enjoy features like Blink Moments, or extended live view. Save and share clips — Store events in the cloud with a free 30-day trial of the Blink Subscription Plan. Save and share clips — Store events in the cloud with a free 30-day trial of the Blink Subscription Plan. Works with Alexa — engage live view, answer your door, and more using your voice Works with Alexa — engage live view, arm and disarm your system, and more using your voice. Colour night vision with built-in LED light. Height: 130 MM Maximum Charger power: 5 Minimum Charger power: 5 Charger required: Y USB PD: N Width: 50 MM