【Easy and Fast Keyless Entry Electronic Lock】: 3-in-1 smart lock includes: 50 fingerprints + 250 passwords + 2 spare keys (family spare keys). Biometric fingerprint module 0.3 seconds to identify fingerprints, 1.2 seconds to open the lock, high recognition accuracy.【Automatic Smart Lock】：The door lock will automatically lock when you leave your home, so you don't have to worry about forgetting to close the door, and the auto-locking time can be set within 5-69 seconds. Or you can press and hold the latch on the keypad for 1 second to lock it when you leave. Also, the electronic lock can be set to unlock mode all the time, bringing easy access to your parties.【Security Protection Deadbolt】： Anti-peek function: If you do not want others to see the password, you can add a few random numbers in front of or behind the real password, the door can still be opened, so the others can not know your real password. You can set up one-time user codes for temporary visitors before you leave home: a one-time password that will be automatically deleted after use. Note: If you enter the wrong password more than 5 times, the keypad will be locked for 1 minute.【 Performance and Installation 】: The electronic lock is made of high-quality aluminum alloy. According to laboratory test data, its service life exceeds 100000 times and can be used normally at temperatures ranging from -22 ° F to 158 ° F, with a long standby time. Extremely waterproof, with a waterproof grade of IP63. The background light of the electronic keyboard allows you to use it smoothly even in the dark, making installation convenient. With just one screwdriver, both men and women can complete the installation in a short time. For installation steps, refer to the installation manual or video.【Our guarantee services for you】: Lafossei provides you with a 30 days refund guarantee, free replacement within 1 year, and lifelong customer support from the date of purchase, as well as 24-hour online after-sales email service. Product Description Note: If there are problems during the installation process, please refer to the installation video for easier installation Note: If the lock does not work after installation, It could be a problem with the left and right door settings, please refer to the manual or installation video about the left/right door detect Suitable for American Standard Left & Right Doors NOTE: The default programming code is 123456 You can set up one-time user codes for temporary visitors before you leaving home No App or Wifi Required No WI-FI and APP required, easier for the elderly and children to use Long Battery Life Four AA batteries can work for more than one year time, with low battery warning function. Backup Power Interface Type-C backup power connector, external power supply for emergency unlocking when the battery is not replaced in time. Wrong Code Entry Limit Once the wrong password is entered 5 times, the lock will be shut down for 60 seconds. Silent Mode The keypad beep can be muted， but you can still hear the low battery alert. Backlit Keypad The backlit keyboard makes it easier to identify keys at night. Backlock Mode & Reset Mode Press and hold the deadlock button for 3 seconds to turn on the backlock function. After the backlock function turn on, all user codes can't unlock the door outside, only the programming code can remove the deadlock restriction. You can easy to reset the lock without disassembling the lock via this button. 1. Remove the battery. 2. Long press this button, put the 4*AA batteries, and the blue light flashes. 3. Enter "000+unlock button" and the green light flashes meaning it successfully restored factory settings. Track Page Views WithAuctiva's Counter