Experience the perfect blend of robust security and modern convenience with the WRIGHTMASTER 3-IN-1 Smart Lock Knob. Crafted from premium stainless steel, this durable and sleek lock offers three seamless access methods—fingerprint, Wi-Fi app control, and mechanical key—for keyless living at its finest. Designed for homes seeking reliability and style, it features advanced automation, whisper-quiet operation, and extended battery life, ensuring your space remains protected without compromising on elegance.

The smart lock is made up of metal material, which can be used for a long-term period. The surface is coated with chromium material and it is designed to be anti-skid. With automatic locking retractor, the electronic door will automatically lock behind you after opening for 3 seconds. It is way easy to install and it can quickly be finished just by following the steps of the user manual we provide. In addition, you can set a series of passwords to protect your family members, friends or tenants. The maximum length is up to 10 digits. THREE METHODS OF UNLOCKING: After installing this magical smart lock, there are three ways to unlock the door. High precision fingerprint identification, bid farewell to the traditional unlocking method. Other One is to use passwords powered by AAA batteries to get the door open or you can prefer the traditional way- spare keys to unlock the door. In this way, you won’t be stuck outside your house once the smart lock is out of juice. This keyless smart lock is equipped with a backlight mode, which allows you to clearly see the keyboard in a dark environment. What’s more, it is waterproof and the waterproofing grade reaches to 4 levels. There is a wide range of application of this smart lock and it can be widely used in all kinds of doors of different materials. For instance, wooden door, metal door, glass door and stainless-steel door and so on. It fits the door thickness between 32-48 mm (1.25~1.88 inch).

Take front door protection to the next level with eufy's FamiLock S3 Max, allowing you to effortlessly and securely unlock your door with just a wave of the hand. The 3-in-1 smart lock features a 2K HD camera, video doorbell, and smart lock developed to meet your family's evolving access needs. With accurate, forgery-proof palm vein technology, FamiLock S3 Max recognizes the unique vein pattern on your hand's palm in just 0.1 seconds with up to 99.99999% accuracy. Ideal for the whole household, including kids and older relatives, each person's palm vein data is stored locally on-device, making it only accessible to you. The integrated color video screen on the inner lock provides a seamless, app-free alternative for monitoring who or what is at the front door. Providing peace of mind when older parents or kids arrive home, eufy FamiLock S3 Max keeps you connected and reassured. Gain sharp, clear views from the built-in 2K HD camera and f/1.6 lens that provides detailed footage even in twilight or sunset hours. Goodbye blind spots with the camera's 150° head-to-toe, wide-angle coverage. Innovative PowerDuo technology offers powerful charging options and superior flexibility. Enjoy up to 6 months of power with the 15,000mAH rechargeable battery; and an emergency set of four AAA batteries provide an extra month of charge in case of emergency power outages. Enjoy a robust, customized smart home ecosystem by adding HomeBase 3 for advanced AI features and enhanced security. The eufy app provides remote control and access from anywhere and sends real-time alerts when packages are delivered, or guests stop by. Matter compatibility provides easy, secure connection with Apple Home, Google Home, Alexa, and SmartThings.