No. If you are asking whether a video smart lock needs doorbell wiring, the Lockin Veno Pro answer is no: you do not need to prepare existing wired doorbell power for the lock. Veno Pro is designed around a removable rechargeable battery for the lock, camera, and doorbell functions. Lockin also documents an optional solar panel accessory, plus a power-bank emergency method and mechanical key for a depleted battery.

That does not mean every door is automatically compatible. Before you install, check the deadbolt and latch format, make sure a storm door will not block the camera, and confirm that the exterior Type-C charging access will remain usable.

What powers the Lockin Veno Pro?

The Veno Pro product page lists a rechargeable lithium-ion battery in the box and describes the lock as having up to three months of built-in battery life, depending on use. Its integrated camera and two-way doorbell are part of the same video smart lock, so the installation question is about the Veno Pro battery system—not about extending a traditional doorbell circuit to a separate camera.

For ongoing power, Lockin lists an optional solar panel sold separately. The Veno Pro FAQ says the panel connects to the exterior assembly through the Type-C port and that charging status can be checked in the Lockin Smart App. Treat the solar option as an accessory and site-specific charging aid, not as a requirement for initial installation.

Does a video smart lock need doorbell wiring?

No doorbell-transformer connection is described in the Veno Pro installation materials. The user manual’s startup sequence is to complete the door-lock installation, insert the lithium battery, and then pair the lock in the Lockin Smart App. The FAQ describes charging the removable battery with a Type-C cable and a 5V/2A adapter, rather than wiring the lock into a household doorbell transformer.

For that reason, do not treat old doorbell wires as a ready-made Veno Pro power input. Do not splice, reuse, or connect those wires to the lock unless Lockin gives you model-specific written instructions. If you are replacing a wired doorbell, isolate that electrical work as a separate project and use a qualified electrician when needed.

What to check before installing a battery video door lock

Use this checklist before opening the package:

1. Check the latch faceplate. Lockin says Veno Pro works with a rectangular latch-faceplate cutout and is not compatible with a round faceplate cutout. Measure the existing opening and compare it with the current Veno Series Door Preparation Guide.
2. Check for a storm door. Lockin warns that a storm door may block the camera. Confirm that the Veno Pro camera has a clear view of visitors, packages, and the approach to the entry door.
3. Check charging access. The removable battery is charged outside the lock with a Type-C cable. Leave a practical way to remove and recharge it, and do not assume an existing doorbell cable replaces that need.
4. Plan the power routine. The product page lists low-battery alerts and emergency unlocking with a power bank or mechanical key. Keep the backup key accessible and respond to app alerts before the battery is empty.
5. Plan the network setup separately. After the physical installation, the manual calls for the Lockin Smart App and a 2.4GHz Wi-Fi network for setup and optional connectivity. Wi-Fi pairing is not the same thing as wired doorbell power.

What if the old doorbell wires are already at the door?

You can leave the wiring question out of the Veno Pro installation plan unless a qualified professional and current Lockin documentation identify a specific, supported use. Existing low-voltage wires do not automatically make a battery video door lock compatible with a transformer, and they should not be connected by trial and error.

Instead, decide what you want to do with the old doorbell separately:

• Keep it disconnected and cap or secure the conductors safely according to local electrical practice.
• Have an electrician inspect or repurpose the circuit for another supported device.
• Choose the optional Lockin solar accessory if your entry receives suitable light and you want a lower-maintenance charging routine.

The Veno Pro FAQ says that, if the battery is fully depleted, you can connect a power bank to the Type-C port at the bottom of the front panel for emergency power and then unlock the door. It also documents mechanical-key entry. Those are the relevant fallback methods for this lock—not a wired doorbell transformer.

Does this answer apply to every Lockin smart lock?

No. Lockin sells several smart-lock models and bundles. The answer above is specific to the Veno Pro Palm Vein Recognition Video Smart Lock and its current product documentation. A different model can have a different power design, accessory set, or installation boundary. Check the exact model name on the product page and in the manual before applying any wiring or charging guidance.

Bottom line

The Lockin Veno Pro does not require existing doorbell wiring for installation. Plan for its removable rechargeable battery, and consider the supported solar accessory if it fits your entry. Before you buy or install, verify the rectangular latch cutout, camera sightline, storm-door clearance, charging access, and your backup entry plan. Then follow the Lockin Veno Pro user manual and Veno Pro FAQ for the exact installation and power procedures.

If your door opening, storm-door clearance, or wiring situation is unusual, pause before modifying anything and contact Lockin Support with the exact Veno Pro model and photos or measurements of the entry.