Smart Door Lock, Yamiry Smart Door Handle, Biometric Fingerprint Door Lock, Product Details ?Easy Installation without Extra Drilling?You can replace your current lock in minutes with just a screwdriver. No extra drills needed. The direction of the handle is adjustable to fit your door. ?Control Your Yamiry Smart Lock via APP?Unlock and lock, share access and query unlock records via your smartphone. Authorize access permissions for your family or friends via a passcode or eKey for permanent or timed access. Yamiry electronic door lock compatible with Alexa for voice control. Alexa voice unlock required a WiFi Gateway(sold separately). ?Multiple Ways To Access?5 ways to access: Biometric Fingerprint + Keypad Code + IC Card + Smartphone + Key. Upgrade 4th generation fingerprint door lock brings excellent keyless access experience. ?Unique Privacy Mode?When privacy mode is turned on indoors, no user other than the administrator of the lock has permission to unlock from outdoor. Protect your privacy when necessary. ?Satisfaction Guaranteed?The APP can be used for free forever. 30-day money-back guarantee, 1-year product warranty and lifetime customer support from the date of purchase. Build your smart home with Yamiry security door lock. 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.