Upgrade your door security with our Smart Door Knob Keyless Entry Lock, an advanced solution designed for the modern home and office. This electronic lock combines ease of installation and premium quality materials, offering a seamless transition from traditional locks without compromising on security. Constructed from durable aluminum alloy and stainless steel, it features a robust design that is resistant to high temperatures and equipped with C-level anti-theft technology. The lock is powered by a rechargeable 400mAh lithium battery, ensuring long-lasting performance up to six months on a single charge, with a convenient Type-C charging interface for emergencies. Offering versatility, it supports multiple unlocking methods including biometric fingerprint recognition, emergency keys, and remote access via the TUYA App with Bluetooth connectivity. Suitable for a wide range of door thicknesses from 33-55mm, it's the perfect choice for residential, apartment, office, and commercial applications, ensuring a smarter, secure, and more convenient lifestyle.