Smart Door Lock Built-in Doorbell Keyless Electronic Lock

We accept returns within 30 days from the delivery date. Items must be unused, in original packaging, and include the invoice. Certain items, such as customized products, perishable goods, and clearance items, are not eligible for returns—please check the product page for details. For non-quality-related returns, the return shipping cost will be borne by the buyer. If an item has quality issues or shipping damage, please contact customer service within 30 days with clear photos or videos as proof. Upon verification, we will offer a replacement at no additional shipping cost. Exchanges are limited to the same model or an equivalent item. If the same item is unavailable, customers may opt for a refund or select a different product.Five unlocking methods, freer entry: This keyless door lock combines fingerprint, password, NFC card, APP and mechanical key access for family, tenants or staff. Semiconductor fingerprint recognition is faster and more precise than ordinary optical sensing, reducing forgotten-key stress Nearby and timed authorisation: Connect this fingerprint door lock to Tuya/Smart Life for low-power Bluetooth control (max. control distance: 10 m). Create permanent, temporary or timed passwords, bind cards and fingerprints, and review opening records for visits, rentals or staff access Built-in doorbell and prompts: This smart door lock includes a doorbell speaker that sounds when visitors press it, helping make arrivals clearer at homes, offices, villas or hotels. The integrated design adds a visitor alert without requiring a separate doorbell device Wide fit, easy replacement: This digital door lock fits doors 3.5-6cm thick and a 5.4cm opening, with left-hand or right-hand installation. Designed to replace ball locks and three-rod locks easily, it supports a practical upgrade using the included fitting accessories and guidance Safe backup and stable use: Four AA alkaline batteries power this electronic door lock (not included), with a low-battery alert for replacement. If power runs out, use a power bank with USB-A to USB-C emergency supply or the backup key. The ADC12 aluminium, PC and tempered-glass body has a copper cylinderLost keys, changing guests and missed visitors can make everyday access frustrating. HOMCOM brings five entry methods together in our smart door lock: fingerprint, password, NFC card, Tuya/Smart Life app and mechanical key. Share timed codes and use the doorbell to make scheduled arrivals and daily entry easier to manage with less hassle.