Product details:

All-IN-ONE FLEXIBILITY: World's first 5-in-1 keyless entry smart lock, fingerprint + code + smartphone + Knock / Shake to Open + mechanical key. SMARTPHONE CONTROL: Bluetooth 4.0 Low Energy Connectivity, Works with both iOS and Android, View users, Log record, Clone. ULTRALOQ ADVANCED FINGERPRINT TECHNOLOGY: Less than 0.5 second identification, Durable, waterproof and dustproof, Heal broken fingerprint lines, 95 fingerprints. Competely waterproof and dustproof. Ideal for both indoor and outdoor installation. Fit doors: Adjustable backset 2-3/8" or 2-3/4", door thickness between 1-3/8" and 1-3/4". Single Latch (Optional Deadbolt Cover Plate Required for Replacing Existing Deadbolt). DIY Installation. Ultraloq UL3 BT smart lever lock is designed to be "RealKeyless" for maximum flexibility and convenience. You are free to use fingerprint, code, key or smartphone to unlock. You can just knock on your phone to open the door, even when it’s in your pocket. You will be never be locked out again! All-IN-ONE FLEXIBILITY: World's first 5-in-1 keyless entry smart lock, fingerprint + code + smartphone + Knock / Shake to Open + mechanical key