Accurate Fngerprint Recognition Unlock the lock just need a fingerprint touching. Faster unlocking speed , more convenient than bring keys. One Touch to Unlock Your phone is the key. Full app control is convenient and secure. You can check your digital lock data anytime anywhere. Smart Function You can turn on the passage mode on to keep the lock stay unlock status as your needs. Never forget to lock on the way out. Auto-lock function will lock it behind you, always be safe. Send eKey You can generate Timed/Permanent/One-time/Recurring code for your friend and guest, and erase them whenever you need to. Up to 300 Users Super large user quantity keyless lock. Fingerprint + Card +Passcode Up to 300. Even if you install in an office, the number of users is sufficient. Check Unlock Records You can check your lock unlock records on your phnone app anytime anywhere. Keyless locks with APP function make your home safer and more convenience! Anti-Peep Password Anti-Peep feature will privacy when necessary. You just need to add random digits before or after the real passcode to open the door for you. Low Energy Usage This smart door lock needs 4pcs 1.5V AA dry batteries (No include) go up to a year without worrying about the batteries. Rechargeable batteries are not recommended, because most rechargeable battery's voltage is 1.2V. Backup Key & Usb Power Port When the power is critically low, the lock will alarm you by display and voices. If the battery is completely drained, don't worry. Use the backup key to open the door. Micro USB power bank also can be a temporary power supply. Reversible Door Handle Reversible handle is suitable for right-handed door and left-handed door. Please note use L wrench (include) to change the door handle direction. Door Lock Dimension Fit the U.S. standard knob hole size.(diam 2 1⁄8” 54mm)Adjustable Deadbolt Mortise : 2 3⁄8” (60mm) or 1 3⁄4” (70mm)Fit door thickness from 1 3⁄8 inch(35mm) to 2 3⁄16 inch(55mm Idea Gift for your Family/Friend Choose our security lock for your family or friends, make their life more convenient. Let them enjoy and experience smart life. A01 Fingerprint Door Lock A01 Fingerprint Door Lock DA2H Front Door Lock Set DA2L Front Door Lock Set DA2K Front Door Lock Set A03 Fingerprint Door Lock Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.2 out of 5 stars 1,732 4.2 out of 5 stars 1,732 4.2 out of 5 stars 127 4.1 out of 5 stars 99 4.4 out of 5 stars 101 4.2 out of 5 stars 23 Price $129.99$129.99 $129.99$129.99 $109.99$109.99 $79.99$79.99 $79.99$79.99 $89.99$89.99 Unlock Ways 5 5 5 5 5 5 3D Live Fingerprint Sensor ✓ ✓ ✓ ✓ ✓ ✓ Backup Keys ✓ ✓ ✓ ✓ ✓ ✓ Emergency Power Port ✓ ✓ ✓ ✓ ✓ ✓ User Capacity 300 300 300 300 300 300 Working Environment -4～140℉（-20～60℃） -4～140℉（-20～60℃） -4～140℉（-20～60℃） -4～140℉（-20～60℃） -4～140℉（-20～60℃） -4～140℉（-20～60℃） Designed For Heavy Duty Heavy Duty Heavy Duty Heavy Duty Heavy Duty Heavy Duty