It fits the hole the old peephole already made · review
Ring Door View Cam review
A peephole camera for tenants: it replaces an existing peephole in a door of 54 to 75 mm (2.13 to 2.95 in) with no drilling and no cabling, and adds motion alerts and knock detection to the Ring app.
The conclusion The best answer here for a rented apartment. Measure the bore and the door thickness first — there is no adjustment.
For a tenant, most of this site is unavailable. A doorbell needs a bracket
screwed to a frame; an intercom needs cabling; a camera needs a wall. A
peephole camera needs the hole that is already there.
What it does not require
No drilling, no cable, no making good on the day you leave. The original
peephole goes back in and the door is as it was — which is the reason this
category exists at all.
The two measurements
A 12 to 14 mm (0.47 to 0.55 in) peephole bore and a door 54 to 75 mm (2.13 to 2.95 in) thick. Both are hard
limits. Measure the bore with a drill bit or a caliper rather than by eye,
because outside that range there is no adjustment and no fix.
Knock detection, which is the underrated feature
In a shared corridor, people knock. A device that only responds to its own
button misses every visitor who did not press it — a delivery, a neighbor, a
caller who did not see a bell. Reacting to the knock itself is what makes this
usable in a block of apartments.
The subscription, and the other question
Recording is a Ring Home plan; there is no local storage. And a camera at an
apartment door sees a shared corridor, which raises a legal question this page will
not answer. Read what your own state’s law says about filming common parts
before fitting it.
Who it suits
A tenant, and anybody who wants a camera at the door without altering it.
Availability
On sale on the American Amazon store. The price there varies by seller; check it on the listing before buying.
Prices and availability are what Keepa reported on the date this page was updated; both move.
What reassures, and what does not
Strengths
Fits an existing peephole — no drilling, no cable, nothing to make good on leaving
Detects a knock as well as a ring, which matters on an apartment door
All the tools supplied in the box
Joins an existing Ring system
Compromises
Strict fit: 12–14 mm (0.47 to 0.55 in) peephole bore, 54–75 mm (2.13 to 2.95 in) door thickness
Recording needs a Ring Home subscription
Battery in the door, so charging means removing the unit
Altering a fire door's bore is not a decision to take lightly
Specifications
Peephole bore
12 to 14 mm (0.47 to 0.55 in), stated by Ring
Door thickness
54 to 75 mm (2.13 to 2.95 in)
Detection
Motion, ring, and knock
Installation
No drilling or cabling; tools supplied
Storage
Cloud, on a Ring Home plan: video history up to 180 days
Resolution
1080p HD, stated by Ring
Theft
Free replacement if stolen, stated by Ring
Amazon reference
B0C92MHTGC
EAN
0840268996475
The questions we are asked
Why is knock detection useful?
Because on an apartment door in a shared corridor, most people knock. A doorbell camera that only reacts to its own button misses every one of them; this one reacts to the knock itself. It is a small feature that turns out to matter more than expected in an apartment.
Will it fit my door?
Check two numbers before ordering: the peephole bore must be 12 to 14 mm (0.47 to 0.55 in) and the door 54 to 75 mm (2.13 to 2.95 in) thick. Outside that range it does not fit, and there is no adjustment to rescue it. Measure the bore with a drill bit or a caliper rather than by eye.
Does a tenant need permission?
Fitting it needs none in most tenancies — nothing is drilled and the original peephole goes back on leaving. Pointing a camera at a shared corridor is a separate question with a different answer from one state to the next, and it is one for your state's law rather than for a product page.
Our score
7.5/ 10
The best answer here for a rented apartment. Measure the bore and the door thickness first — there is no adjustment.
What this one costs among digital door viewers
A reference exists on these Amazon stores: France, Germany, Italy, Spain, United Kingdom, United States. Listed is not the same as in stock — availability changes daily.
Details checked on September 2, 2026.
The buyer this one serves, among security devices
A rented apartment where drilling the door frame is not permitted and a doorbell cannot be fitted.
Specifications: the manufacturer sheet for home security products and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.
3.5-inch LCD · 1 Mega CMOS · 120° actual viewing angle · door hole 14–28 mm (0.55 to 1.10 in), door thickness 40–100 mm (1.57 to 3.94 in), both published · indoor unit 120 × 62 × 20 mm (4.72 × 2.44 × 0.79 in) · outdoor camera 32 mm (1.26 in) · 4 AAA, not included · low-battery alert · press to wake, no standby drain
One of only two viewers here that publish both the door thickness range and the peephole bore — the two measurements this shelf says to check first.
Best for: A tenant replacing an existing peephole who needs to know it will fit before ordering
3.5-inch LCD · 2 Mega CMOS · 120° · door hole 14–28 mm (0.55 to 1.10 in), door thickness 35–100 mm (1.38 to 3.94 in), a wide range · indoor unit 120 × 62 × 20 mm (4.72 × 2.44 × 0.79 in) · camera ≈30 mm (1.18 in) · 4 AAA, not included · battery changed without removing the unit · the only listing here that argues against itself
The widest door range on the shelf, and the only listing on this site that tells you what its own product cannot do.
Best for: A thin apartment door — 35 mm (1.38 in) up — where the honesty about low light is worth more than a night vision claim
3.5-inch LCD at 480 × 320 — the only screen resolution published on this shelf · 720p camera claimed · 120° · zinc alloy outdoor unit · NO door thickness, NO peephole bore, NO battery, NO storage · five of its ten bullets are empty
The only listing here that publishes its screen resolution, on a page whose last five bullets contain nothing at all.
Best for: Nobody, until the seller supplies a door thickness range and a bore diameter in writing
