Yeeuu Smart Door Lock With Fingerprint, Bluetooth, Nfc, App,, Fingerprint). Product Details ? Fingerprint Identification?Just one touch to unlock your fingerprint smart lock, faster than fumbling for your keys.The most secure 6-in-1 keyless entry smart door lock:App(via Bluetooth)+ Fingerprint+ Code+ Access Card+NFC Devices+ Mechanical Key ?Auto-Lock and Unlock?The fingerprint door lock will automatically lock after unlocking for 6 seconds?keeping your home secure even when you?re in a hurry.After enabling unlocking, the lock can stay unlocked for anyone else to open until you turn it off. ?Intelligent Management?With the YEEUU app, you can grant access to your family or guests, see logs of events and alert alerts.Various access codes include: permanent access code, one-time access code, anti-snooping access code, etc. ?Ultra-Low Battery Consumption?This fingerprint smart lock can last more than 12 months with 3 AAA alkaline batteries. Since the batteries are mounted on the front bar, you can replace them without worrying about being locked out. ?DIY Installation Satisfaction Guarantee?S1 keyless entry door lock is easy to install, no extra drilling required. 1 year product warranty and lifetime 7*24 hours online customer service support after the date of purchase. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.