Keyless Entry Door Lock - Smart Deadbolt Lock with Bluetooth App, Electronic Keypad, IC Card, Spare Keys, Security Waterproof Smart Lock Easy Install USB Ideal for Home Use, Apartment, Office, Hotel, 【Multiple Ways To Unlock】 4-in-1 Electronic Smart Door Lock: APP+SmartKey+Passcode+IC Card. 4 Ways to Lock and Unlock Satisfy daily unlocking habits and choose as you like. Get rid of the trouble caused by forgetting the key. Keyless Entry Door Lock is an excellent smart home device for home, apartment, office, hotel., 【Bluetooth + APP Keyless Control】The Keyless Entry Door Lock is not internet required, control your Electronic Keypad Deadbolt via Bluetooth to unlock quickly, stably, and safely. With TT Lock APP you can generate timed, permanent, one-time, or custom passwords for guests, friends, and tenants, granting them access to specific dates; You can also check the records about unlocking in real-time via APP. Creating a secure, smart life for you., 【Smart & Secure Deadbolt Lock】The virtual password design of the Deadbolt Smart Lock prevents the password from being spied on by entering random digits before or after a passcode. And the smart Lock has a wrong entry limit, after 5 unsuccessful attempts at entering a valid passcode, the unit will shut down for 5 minutes. This Security Smart Door Lock has a sensitive touchscreen control, the keypad has an LED light that makes it visible in the dark., 【Durable & Solid Quality】This Deadbolt Door Lock has an IP65 weatherproof rating, working temperature range: -22°F ~ 131°F, and can withstand extreme weather, suitable for outdoor daily use; The Electronic Keypad Deadbolt has a long battery life, with 4 AA new batteries can provide 8000 times unlocking (about 12 months); The Smart Door Lock has a low battery alert function. You also can check the battery power on the APP to remind yourself to replace the battery., 【Easy Installation & Quality Promise】The Electronic Smart Lock has no need for drilling and expensive locksmiths, just with a screwdriver, follow the instructions and videos, you can install the Smart deadbolt lock easily. Please make sure your door size meets the installation specifications, and the L/R side has different install methods, you could follow the tips in the video. If you have any questions, please let us know, we provide 12-months quality promise and 24-hour online service., ,