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).

Experience ultra-fast, convenient keyless door unlocking and seamless smart home integration to your new and existing automation devices with eufy Smart Lock E31. Stop fumbling for keys when your hands are full and unlock your front or back door in less than 0.3 seconds using just your fingerprint. The lock’s intelligence improves fingerprint recognition with each use, ensuring quick access for your family. Enjoy multiple door unlocking options: eufy App, built-in keypad, included physical key, or voice commands via Siri, Alexa or Google Assistant. Seamlessly link eufy’s Matter-supported smart lock to your current smart home ecosystem using your existing home automation hub. It features compatibility with all major smart home ecosystems, including Apple Home, Google Home, Alexa, and SmartThings for easy, hands-free management of your Smart Lock and more. It pairs with Apple HomePod or other smart devices to experience simple setup, guest access management, real-time notifications, event logs, and remote unlocking.

eufy Security Smart Lock C220, Fingerprint Keyless Entry Door Lock, Built-in Wi-Fi, App Remote Control, Front Door Smart Lock Deadbolt, 8Months Battery, Reliable Power, IP53 Waterproof