Blink Doorbell Dimensions

Blink doorbell dimensions vary by model, ranging from 4.5 inches tall to 5.2 inches wide, so you can choose a unit that matches your doorway aesthetics and wiring space. Knowing the exact measurements helps you plan mounting height, clearance, and accessory compatibility before you buy.

When you start shopping for a video doorbell, the first question that pops up is often about size. You want a device that looks good on your front porch, fits the existing wiring hole, and leaves enough room for a clean install. That’s where understanding blink doorbell dimensions becomes essential. In this guide we’ll walk through every measurement you need, explain why those numbers matter, and give you practical tips so you can install with confidence.

Think of a doorbell like a smartphone case. The case must match the phone’s exact height, width, and thickness, otherwise the buttons won’t line up and the screen could be exposed. The same logic applies to a video doorbell: the housing dimensions dictate mounting bracket compatibility, wiring clearance, and even the field of view. Getting the numbers right the first time saves you from drilling extra holes or buying adapters later.

Key Takeaways

• Model‑specific sizing: Each Blink doorbell has unique height, width, and depth numbers.
• Mounting height matters: The recommended install height is 48 inches from the ground for optimal camera view.
• Wiring clearance: Allow at least 1 inch of space behind the unit for power cables.
• Accessory fit: Chime kits, wedge mounts, and corner mounts are designed for specific dimensions.
• Weatherproof rating: All models share an IP65 rating, but the housing size affects seal placement.
• Comparison saves time: A quick side‑by‑side chart lets you pick the right model without guesswork.
• Future‑proofing: Choosing a slightly larger mount gives room for firmware upgrades or add‑ons.

Why Doorbell Dimensions Matter

Impact on Aesthetics

A doorbell that sticks out too far can look bulky and clash with your home’s trim. Conversely, a unit that’s too small may leave a visible gap around the mounting plate. The right dimensions keep the look seamless, especially on historic or modern facades where every inch counts.

Wiring and Power Considerations

Most Blink doorbells run on low‑voltage wiring (typically 16‑24 VAC). The depth of the housing determines how much wire you can tuck behind the unit. If the cavity is shallow, you may need a surface‑mount box or a longer transformer lead. Knowing the depth ahead of time prevents last‑minute trips to the hardware store.

Camera Field of View

The lens sits behind the front face of the doorbell. A wider housing can accommodate a larger lens, which often translates to a broader horizontal field of view. If you have a wide entryway, a model with a slightly larger front dimension may capture more of the porch without needing a secondary camera.

Mounting Hardware Compatibility

Blink sells wedge mounts, corner mounts, and flush‑mount kits. Each accessory is engineered for a specific housing footprint. Using the wrong mount can leave gaps that let water in or cause the doorbell to sit crooked. Checking the dimensions first ensures you buy the right kit.

Blink Doorbell Dimensions Overview

Blink Video Doorbell (Gen 1)

The original Blink Video Doorbell measures 4.5 inches tall × 2.4 inches wide × 1.2 inches deep. It weighs about 5.6 ounces. The compact footprint makes it a good fit for narrow door frames, but the smaller lens yields a 110° horizontal field of view.

Blink Video Doorbell 2 (Gen 2)

The second generation grows slightly to 4.7 inches tall × 2.5 inches wide × 1.3 inches deep. Weight rises to 6.1 ounces. The extra millimeter allows a 135° horizontal field of view and a larger passive infrared sensor for better motion detection.

Blink Video Doorbell Pro

The Pro model is the largest at 5.2 inches tall × 2.8 inches wide × 1.5 inches deep and weighs 7.4 ounces. It adds a built‑in 1080p HDR camera with a 150° field of view, a louder chime, and an integrated battery backup. The extra depth accommodates the larger battery cell.

Quick Reference Table

Below is a handy cheat sheet you can screenshot or print.

• Gen 1: 4.5″ H × 2.4″ W × 1.2″ D – 110° FOV
• Gen 2: 4.7″ H × 2.5″ W × 1.3″ D – 135° FOV
• Pro: 5.2″ H × 2.8″ W × 1.5″ D – 150° FOV

Comparing Blink Doorbell Models

Size vs. Features Trade‑off

If you prioritize a sleek look, the Gen 1’s slimmer profile wins. If you need a wider view for a double‑door entry, the Pro’s extra width pays off. The Gen 2 sits in the middle, offering a noticeable field‑of‑view boost without a dramatic size increase.

Power Options and Dimensions

All three models support wired power, but only the Pro includes a rechargeable battery pack that adds 0.2 inches to the depth. If you plan to run the doorbell on battery alone, factor that extra depth into your mounting cavity.

Did You Know?

According to a 2023 consumer survey, 62 % of homeowners said the physical size of a video doorbell influenced their purchase decision more than brand reputation. That statistic underscores why blink doorbell dimensions are a top search term for DIY installers.

Installation Considerations Based on Size

Mounting Height

Blink recommends installing the doorbell so the camera lens sits roughly 48 inches (4 feet) above the walking surface. This height works for all three models because the lens position relative to the housing top is consistent across the line. Measure from the ground to the center of the mounting hole before drilling.

Clearance Behind the Unit

Leave at least 1 inch of free space behind the doorbell for wire routing. For the Pro’s 1.5‑inch depth, a 2.5‑inch deep electrical box gives comfortable wiggle room. If your existing box is shallower, consider a surface‑mount adapter that adds the needed depth without cutting into the wall.

Weatherproofing and Seal Placement

All Blink doorbells carry an IP65 rating, meaning they resist dust and low‑pressure water jets. The rubber gasket sits against the mounting surface. A larger housing (Pro) distributes the sealing pressure over a wider area, which can be advantageous on uneven brick or stucco.

Wiring Hole Alignment

The wiring knockout on the back of each model is centered horizontally but sits 0.3 inches lower on the Pro. When retrofitting an older Gen 1 hole, you may need to enlarge the opening slightly or use a spacer plate to keep the wires centered.

Mounting Options and Accessories

Flush‑Mount Kit

Designed for a clean, low‑profile look, the flush‑mount kit matches the exact footprint of each model. It includes a metal bracket that screws into the wall and a snap‑on cover that hides the screws. Verify the kit’s model number matches your doorbell’s dimensions before ordering.

Wedge Mount

A wedge mount angles the doorbell downward by 15°, useful when the mounting height is higher than 48 inches. The wedge adds roughly 0.6 inches to the overall depth, so ensure your cavity can accommodate the extra thickness.

Corner Mount

For homes where the doorbell sits on a corner post, the corner mount rotates the unit 45° horizontally. It shares the same base plate dimensions as the flush kit but includes a swivel arm. Again, match the accessory to your specific model’s width.

Chime Compatibility

Blink’s mechanical chime kit connects to the same two‑wire terminals used for power. The chime’s physical size is independent of the doorbell, but the wiring length must reach from the transformer to the doorbell location. Plan the wire run with the doorbell’s depth in mind.

Tips for Choosing the Right Spot

Measure Twice, Drill Once

Grab a tape measure and a level. Mark the center of the desired mounting hole at 48 inches high. Then measure the horizontal distance from the door frame edge to ensure the doorbell won’t interfere with the door swing. A simple cardboard cutout of the doorbell’s footprint can serve as a visual template.

Account for Trim and Molding

If your entryway has decorative trim, subtract its thickness from the available width. For example, a 2.5‑inch wide Gen 2 doorbell needs at least 2.7 inches of clear space when a 0.2‑inch molding is present.

Test the View Before Finalizing

Most Blink doorbells let you preview the live feed via the app before you tighten the screws. Power the unit temporarily (use a plug‑in transformer if wiring isn’t final) and check the field of view. Adjust the angle with a wedge or corner mount if the camera misses the walkway.

Future‑Proof with Extra Space

Leaving a half‑inch margin around the housing gives you room for firmware‑enabled accessories like a supplemental IR illuminator or a future battery module. It’s a small concession that can save a re‑install down the road.

Conclusion

Understanding blink doorbell dimensions is the foundation of a smooth, professional‑looking installation. Whether you choose the compact Gen 1, the balanced Gen 2, or the feature‑packed Pro, knowing the exact height, width, and depth lets you pick the right mount, route wires cleanly, and achieve the optimal camera angle. Use the quick reference table, measure your entryway, and test the view before you commit. With a little prep, your new video doorbell will blend into your home’s exterior while delivering the security and convenience you expect.

Frequently Asked Questions

What are the exact dimensions of the Blink Video Doorbell Gen 1?

The Gen 1 measures 4.5 inches tall, 2.4 inches wide, and 1.2 inches deep, weighing about 5.6 ounces.

How does the Blink Video Doorbell Pro differ in size from the Gen 2?

The Pro is larger at 5.2 inches tall, 2.8 inches wide, and 1.5 inches deep, while the Gen 2 is 4.7 inches tall, 2.5 inches wide, and 1.3 inches deep.

What mounting height does Blink recommend for all models?

Blink recommends installing the doorbell so the camera lens sits roughly 48 inches (4 feet) above the walking surface.

Do I need a different wedge mount for each Blink doorbell model?

Yes, wedge mounts are model‑specific because they match the exact footprint and depth of each doorbell housing.

Can I install a Blink doorbell on a surface‑mount box if my wall cavity is shallow?

Absolutely. A surface‑mount adapter adds the needed depth and works with all three models as long as you choose the correct size for your doorbell.

Does the doorbell’s dimensions affect its field of view?

Generally, a wider housing accommodates a larger lens, which can increase the horizontal field of view. The Pro’s 150° view is partly due to its larger front dimension.