WELOCK Smart Door Lock, Keyless Entry Lock for Front Door, Waterproof Keypad with App and Card, Digital Adjustable Length 50 100mm

Keyless Entry Door Lock: 4 in 1 electronic keypad code door lock: Smart card + Code + Smartphone APP + USB spare Key. Up to 20 cards can be added to the smart lock. A card can be added to many locks and you can use just one smart card to open more than one of our locks. Full Smart App Control: You can constantly monitor your smart door lock in the app for iOS and Android, this allows you to monitor the door opening to determine the status of the door and you can also access the activity log at any time to see who has opened the digital door lock. Our smart locks also come with a 2-year after-sales service and lifetime technical support. Easy DIY Installation: We provide a very detailed installation manual and installation video, which allows you to complete the installation of the smart lock door handle in less than 10 minutes without the need for a professional locksmith, thus saving time and money. The smart door lock is suitable for almost all doors that conform to EU standard sizes and are 50-100mm thick. For interior doors only, not for exterior doors. High Security and Privacy: Made from zinc alloy, corrosion resistant, our electronic door lock are stylish and modern, ideal for most doors, this smart door handle is ideal for offices, flats, bedrooms, and more. It also stores data locally, rather than in the cloud, to keep personal information secure and private. Smart Reminder: The smart door lock or app will remind you to change the battery. The keyless entry smart lock will alert you when the battery level of the smart lock is below 20% or you can check the battery level in the app so that you can replace the smart life battery. Battery type: 3 x AAA 1.5 V (batteries are not included in the package), Weight: 1.0582188576 pounds, Manufacturer: ‎WE.LOCK