Doorbell Wire Check product guide
TP-Link Tapo D225 2K Video Doorbell with Indoor Chime
A wired door where you want local recording and no monthly plan
The Tapo D225 ships with its own plug-in indoor chime, both mounting wedges and the fixings, and records to a microSD card of up to 512 GB with no subscription. It runs on a 10,000mAh rechargeable battery or on 8-24V AC wiring. Hardwiring unlocks 24/7 recording and pre-roll, but the quick start guide is clear that doing so means fitting a jumper wire to bypass your existing chime.
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Published specifications
- Datasheet: 2K 4MP (2304x1728), 15/20 fps, 16x digital zoom, H.264
- Datasheet: 170.6 deg horizontal / 140.1 deg vertical lens; 180 deg diagonal claimed
- Guide: hardwiring needs an 8-24V AC, 10VA minimum transformer; DC 9-24V also allowed
- Guide: Always-On 24/7 recording requires the jumper wire that bypasses your chime
- Datasheet: microSD up to 512 GB, not included; free person, pet, vehicle, package AI
- Datasheet: doorbell -20 to 45 C, IP66; chime indoor only, 0 to 40 C
Fit and limits
Strengths
- Indoor chime, both wedges, template, adhesive, anchors and wire nuts all included
- Records to a microSD card with AI detection and activity zones at no monthly cost
- Runs on battery or wiring, and hardwiring adds pre-roll and 24/7 recording
Caveats
- 24/7 recording means jumpering out your existing chime, so the old bell stops ringing
- The USB charger is not supplied and a first charge takes about six hours
- Datasheet and Amazon fields disagree on resolution, night-vision range and IP rating
What is in the box, including the indoor chime
The D225 is unusual for shipping its own indoor chime rather than expecting you to buy one. The datasheet's package list is long: the doorbell, the Tapo doorbell chime, a mounting bracket, a horizontal and a vertical mounting wedge, a mounting template, 3M adhesive, a foam pad, three mounting screws and three anchors, five mounting wedge screws, a detaching pin, a quick start guide, a USB adapter cable, two extension wires, two hardwire installation screws and two wire nuts.
The quick start guide adds one item the datasheet's list leaves out: a jumper wire for your existing chime, described as included. It also states what is not supplied: "The USB charger is not provided". You get the cable, not the plug, and the guide says to charge the doorbell for about six hours before first use.
One oddity to note rather than explain. The datasheet is headed Tapo D225 throughout, but its final package-contents page lists "Tapo D235 Video Doorbell Camera × 1". We are not going to guess which is the typo. Check the model printed on the unit and the carton against what you ordered.
The chime decision: 24/7 recording or your existing bell, not both
This is the part of the D225 most worth understanding before you buy, and the quick start guide states it plainly. Hardwiring gives you Always-On Mode, which supports 24/7 recording and pre-roll footage. But: "Enabling Always-On Mode requires bypassing your existing chime." Bypassing means opening your indoor chime, loosening the Front and Trans screws for a front door or Rear and Trans for a rear door, and fitting the supplied jumper wire across them.
The guide is equally clear about the other path: "Disabling Always-On Mode allows using your existing chime. Hardwiring provides a constant power source." And if you change your mind, "If you want to disable Always-On Mode, just remove the jumper wire." So the choice is reversible, but it is a real choice: continuous recording, or your old ding-dong still ringing.
Either way the included Tapo chime plugs in indoors and rings, with a choice of ringtones and, per the datasheet, up to a 98dB alarm. Two limits on it: the listing's own disclaimer says the chime is for indoor use only, and the quick start guide gives the chime an operating range of 0 to 40 °C (32 to 104 °F), which is narrower than the doorbell's own -20 to 45 °C (-4 to 113 °F).
Power: a 10,000mAh battery, or 8-24V AC with a 10VA floor
On battery, the doorbell runs on a built-in 10,000mAh rechargeable lithium-ion pack charged at 5.0V 2.0A through a Type-C port behind a silicone cover. The quick start guide warns not to tear that silicone off by force and to keep the ports covered when not in use, because both affect the waterproofing.
The two documents disagree about how long a charge lasts. The Amazon listing and its description say up to 8 months of battery life between charges; the datasheet's feature panel says the 10,000mAh battery leads to a long-lasting life "up to 365 days". The datasheet's own footnote says the figure includes recording and watching live views and that actual life varies with settings, usage, router specification and environment, and the listing's disclaimer says the same. Treat either number as a ceiling, and note that neither document says which usage pattern produced it.
For hardwiring, the guide's warning panel is specific: your existing doorbell must be wired rather than battery powered, and supplied by an 8-24V AC transformer with a 10VA minimum. The datasheet gives the recommended AC rating as 8-24V AC, 10-40VA, 50/60Hz, and also allows a DC adapter of 9 to 24V DC at 10W or more, on a 2-pin connection with no polarity to observe. Turn the breaker off before wiring, and the guide tells you to confirm the power really is off by ringing the bell a few times.
What it sees, and four places the numbers disagree
The marketing figure is a 180 degree head-to-toe field of view with a 4:3 aspect ratio, which the datasheet says gives full head-to-toe visibility even when a visitor is only 0.4 m from the door, measured at the recommended installation height of 1.2 m. The datasheet's specification table gives the lens differently: 170.6 degrees horizontal and 140.1 degrees vertical, a 1.18 mm focal length at F1.8, on a 1/2.7 inch progressive-scan CMOS sensor. Both readings are the maker's; the 180 figure is the diagonal.
Resolution is given in the datasheet as 2K 4MP, 2304 by 1728 pixels, at 15 or 20 frames per second, with H.264 compression and 16x digital zoom. Amazon's fields for the same product say "Effective Still Resolution 1080 pixels" and "Photo Sensor Resolution 5 mp", neither of which matches. Use the datasheet's numbers.
Two more mismatches worth knowing. The datasheet gives night vision as an 850 nm infrared LED reaching 33 ft (10 m), plus full-colour night vision from built-in spotlights and an auto-switching IR-cut filter; Amazon's field says a night vision range of 25 feet. And the datasheet gives weather resistance as IP66 while Amazon's field says IP65. Neither is a small difference if you are mounting somewhere exposed, so take the datasheet as the maker's document and confirm with TP-Link if it matters.
Storage and detection without a monthly fee
This is where the D225 differs most from the subscription-first doorbells. Recording goes to a microSD card in a slot on the camera, up to 512 GB, and the card is not included; the listing recommends Class 10, UHS-1 endurance cards or better, and the quick start guide says to initialise the card in the Tapo app before use. Tapo Care cloud storage exists as a separate subscription that the listing says keeps 30 days of video history, but it is an alternative rather than a requirement.
AI detection is also included rather than gated. The datasheet lists motion, person, pet, vehicle and package detection plus customisable activity zones, and the A+ copy says the AI detection is free with no additional fees or subscription. Note a small difference between documents: the listing's bullets name person, package and vehicle, while the datasheet also lists pet detection. What Tapo Care adds, per the datasheet, is system notifications with a snapshot attached.
On security the datasheet lists on-device machine learning, 128-bit AES encryption with SSL/TLS, and WPA/WPA2-PSK. The network side is 2.4 GHz only: IEEE 802.11b/g/n, and the listing states twice that 5 GHz is not supported. Typical power consumption is given as 1.4 W with a maximum of 2.32 W.
Mounting, the anti-theft alarm, and what the documents do not cover
There are two mounting routes. The adhesive route uses the supplied 3M pad on the bracket or wedge, pressed for 15 seconds, and the guide says it suits tile, glass, marble, metal, stainless steel and smooth walls; it also says the adhesive is for one-time use, so a repositioning attempt means finding another pad. The screw route uses the mounting template, a 6 mm (15/64 in) drill, two anchors and two screws, with the foam pad for uneven walls. The horizontal wedge angles the view 15 degrees and the vertical one 5 degrees.
Recommended installation height is 1.2 m (4 ft) above the ground, and the safety notes add that the equipment should be installed lower than 2 metres when stuck to a clean wall. The doorbell measures 5.91 by 1.97 by 1.51 inches and weighs 297 g; the chime is 2.87 by 1.85 by 1.71 inches and 52 g.
An anti-theft alarm is built in: once enabled in the Tapo app, an alarm triggers when the doorbell is removed from the bracket, and there is a dedicated button to pause it for five seconds or disable the feature with a ten-second hold. The guide even warns that overtightening the bracket screws can bend the bracket and cause false anti-theft alarms. What the two documents we read do not contain is any warranty term or theft-replacement policy; Amazon's page says the manufacturer's warranty can be requested from customer service, so ask TP-Link for the written terms before you rely on them.
Check the current listing
Confirm the model, included parts and availability before ordering.
Primary sources
- TP-Link Tapo D225 Video Doorbell Camera datasheet, attached to the listing
- Tapo Video Doorbell Camera quick start guide 7106511276 REV1.0.1, attached to the listing
Primary sources checked .
Compare with
- Arlo Video Doorbell 2K (2nd Gen), Wireless or Wired
A 2.4GHz home where live view and basic alerts are enough without a plan
- eufy Security Video Doorbell E340 with Dual Cameras
A porch where parcels matter and you want no monthly fee
- Blink Video Doorbell (2nd Gen), Black, Add-On without Sync Module
A household that already owns a Blink Sync Module
Side-by-side pages, this model next to: Arlo Video Doorbell 2K (2nd Gen), Wireless or Wired, eufy Security Video Doorbell E340 with Dual Cameras, Blink Video Doorbell (2nd Gen), Black, Add-On without Sync Module.