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Blink Video Doorbell System Review: Head-to-toe HD and two-year battery life

Blink Video Doorbell System (newest gen) | Head-to-toe HD view, two-year battery life, simple setup, IP-65 | Works with Alexa | Sync Module Core included – (Black) | newest gen
4.5
[Second-Generation Doorbell]  Improved smart video doorbell; available with Sync Module Core or Add-On option.
[Two-Year Battery Life]  Up to two years with three included AA Energizer lithium batteries and Sync Module.
[Head-to-Toe HD Video]  Clear day/night HD view with infrared night vision and two-way audio.
[Quick Wireless Setup]  Install in minutes; pairs with Sync Module Core and optional Blink Mini 2.
[Smart Alerts & Cloud]  Person detection alerts, Blink Moments, extended live view, plus 30-day cloud storage trial.
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Blink Video Doorbell System sits in the smart home security category, promising head-to-toe HD video and long battery life. Homeowners can relax knowing deliveries and visitors are visible day and night, with two-way talk for instant checks. Will the included Sync Module Core and cloud trial meet long-term monitoring needs?

⚡ At a Glance
  • Image Quality: Head-to-toe HD video with infrared night vision for full doorway coverage
  • Best for: Homeowners seeking simple, battery-powered front-door monitoring
  • Not ideal for: Users who require local storage without any cloud subscription

Head-to-toe HD capture and infrared night vision deliver clear day and night footage. A Sync Module Core and three AA Energizer lithium batteries are included for up to two years of operation.


Two years between battery changes, thanks to three AA Energizer lithium batteries and Sync Module Core

Three AA Energizer lithium batteries are supplied and pair with a Sync Module Core, which manages connectivity and reduces power draw from the doorbell. Low-power operation and event-driven recording help extend the battery lifespan.

Long battery life means less maintenance and fewer visits to the front door to swap cells. Suitable for properties without easy access to wired power.

Clear day and night footage, thanks to head-to-toe HD view and infrared night vision

A head-to-toe HD sensor captures the full height of visitors and packages, while infrared LEDs enable visible images in low light. Motion detection triggers recordings and alerts via the Blink app.

Full-person framing reduces blind spots and makes it easier to identify faces and deliveries both day and night. Reliable night vision helps with late-evening monitoring.

Fast setup and smart-home control, thanks to wireless pairing and Alexa compatibility

Wireless setup pairs the doorbell with a supplied Sync Module Core and the Blink app in minutes, and the unit can link with Alexa-enabled devices for voice commands. A mounting kit and corner mount are included for flexible installation.

Quick installation gets the system protecting a home with minimal fuss, and Alexa integration allows hands-free answering and basic control. Pairing with other Blink cameras can extend coverage and add an indoor chime.

✨ The 4 Key Reasons for Blink Video Doorbell System
  1. Included Sync Module Core – Ensures stable local connectivity and simplified setup
  2. Two-way talk – Speak to visitors instantly via the Blink app from anywhere
  3. Free 30-day Blink Plus trial – Try cloud storage and event features without commitment
  4. Mounting kit and corner mount included – Ready to install with multiple positioning options
📋 Technical Details at a Glance
  • Video resolution: Head-to-toe HD
  • Night vision: Infrared night vision
  • Battery: Three AA Energizer lithium batteries included, up to two years of use
  • Sync Module: Sync Module Core included, with USB-C cable and indoor power adapter
  • Setup: Wireless setup via Blink app
❓ Frequently Asked Questions

Q: How long does the battery last before replacement is needed?

A: Up to two years of continuous coverage is possible when using the three AA Energizer lithium batteries supplied together with the Sync Module Core.

Q: Does the doorbell work with Alexa and what can Alexa do?

A: Yes, connection to an Alexa-enabled device allows answering the door and arming or disarming the smart home setup using voice commands.

Q: Can the doorbell trigger an indoor chime or pair with other Blink cameras?

A: Yes, pairing with a Blink Mini 2 camera allows use as an indoor plug-in chime, and multiple Blink cameras can be integrated for broader coverage.

🏆 Our Verdict

The Blink Video Doorbell System is suitable for homeowners who want simple, low-maintenance front-door monitoring without hardwiring. The main selling point is long battery life combined with full-height HD video and easy smart-home integration. Subscription features influence ongoing running costs, but durable batteries, included Sync Module Core, and plug-and-play setup support strong long-term value.