15-90° Adjustable Angle Mount — Alarm.com ADC-VDB770
Custom-Fit for the Alarm.com ADC-VDB770
- Custom-shaped for the Alarm.com ADC-VDB770 — the Alarm.com ADC-VDB770 Wi-Fi doorbell body (dealer-installed, pro-monitored).
- Not a universal one-size mount: other doorbell brands use different body shapes and each has its own listing on our store.
- Switching doorbells later? The base stays on the wall — grab a ~$10 Replacement Bracket for the new model.
Recover the View on a Side-Wall Install
The ADC-VDB770's 1:1 head-to-toe view is built for full-length visitor capture. On a side wall, the stock mount points it at the siding.
This adjustable 15-90° set-screw pivot mount swings the Alarm.com ADC-VDB770 outward across a wide 15° to 90° arc so the 1:1 1080p head-to-toe view lands on your visitor and the doorstep instead of the wall. Set screws lock the angle so it will not drift after the first windstorm or cold snap.
Two-Axis Aim Across a Wide 15-90° Arc
Built for real angle correction, the set-screw pivot lets you aim across a 15° to 90° arc relative to the wall — it shines above 45°. Adjust left/right and up/down, then tighten the set screws to lock it.

Only need a small nudge (<15°) or a straight-ahead view? See our 0-35° Swivel Mount for the Alarm.com ADC-VDB770 instead.
Clean, Concealed Wiring
If the doorbell is hardwired (16-30V AC), the wires come out of the wall, pass through the concealed channel in the swivel, run through the front Alarm.com ADC-VDB770 bracket, and land on the doorbell terminals — nothing exposed at the joint.
Dimensions at a Glance
- Base Width: 1.8 in
- Base Height: 3.1 in
- Base Hole Spacing: 2-5/8 in (center-to-center)
- Reach at 15°: ~2.0 in
- Reach at 90°: ~3.5 in
- Weight: ~2 oz (mount only)
- Standard 1.8" base; a narrow 3/4" baseplate is available — see Customization.
Features That Matter
- Custom Bracket for the Alarm.com ADC-VDB770: A pre-shaped pocket cradles the body without blocking the lens, mic, or field of view.
- Reusable Base: Switch doorbell brands later and just order a ~$10 Replacement Bracket — the base stays on the wall.
- Made in the USA: Printed and shipped from our own shop, not mass-produced overseas.
- Corner & Trim Friendly: Reaches past narrow trim and outside corners where the flat stock plate can't aim.
- Wide 15-90° Angle: Two-axis swivel built specifically for side-wall and perpendicular installs.
- Hidden Wire Pass-Through: An internal channel routes the low-voltage leads cleanly to the doorbell terminals.
- Locking Set Screws: Set the angle once and it stays put — no drift in cold weather or after a firmware update.
Installing It on the Alarm.com ADC-VDB770
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Power first. Kill power to the doorbell circuit at the breaker before you touch the wires.If hardwiring, confirm power is off with a multimeter before stripping wires.
- Grab your tools. Drill, PH2 (#6 wall screws), PH1 (#4 bracket/set/doorbell screws), a level, and anchors if you're not hitting a stud.
- Pick the angle before drilling. Stand where a visitor stands, picture the line from the doorbell to that spot, and rough in that angle so you don't re-drill.
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Mount the base. Line it up with your siding or trim and drive the #6 screws (PH2).Pilot-drill if needed and don't overtighten.
- Add the swivel. Feed the wires through the center (skip if battery) and fasten the swivel to the base with the four #4 / PH1 screws.
- Rough-set the aim. Turn it toward the walkway inside the 15-90° range and snug one or two set screws for now.
- Attach the Alarm.com ADC-VDB770. Snap it on with the screws included with this mount (PH1). Do not reuse the stock back plate — our bracket replaces it.
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Confirm in the Alarm.com app, then lock. Power up, open Live View, check the framing, and tighten all set screws hand-tight.Snug is enough — don't crank the set screws.
- Redraw detection zones. In the Alarm.com app, tighten the motion zones to the new framing so you exclude the street and the neighbor's yard.
FAQ
✔ Replacement Guarantee — The Right Part, Guaranteed
Send a photo of your install spot and doorbell BEFORE you order and we'll point you to the exact part. If you order and it doesn't fit, we'll send the correct one at NO additional cost.
- Before ordering: text or email photos of (1) the install location and (2) the doorbell; we'll confirm the fit.
- If it doesn't fit: send a photo of the doorbell and the fit problem — we ship the correct part free.
- Reach us: 833-326-6868 / shop@doorbellmount.com.
Questions?
- Email: shop@doorbellmount.com
- Text/Call: 1-833-326-6868
Standard Color: Black. Other colors via the Color Change Request.
Angle Note: "15-90°" is the approximate range for perpendicular installs; actual angle depends on positioning.
3D-Printed: minor layer lines may show and do not affect strength or weather resistance.
Stop aiming your Alarm.com ADC-VDB770 at the siding — order this side-wall mount and we ship in 2-3 business days.

