ZKTeco TL400B Fingerprint Biometric Door Lock with APP Digital Keyless Bluetooth Locks Smart Home Entry + 5pcs RFID Cards,Left Handed

* Five ways to unlock: :World's First 5-in-1 Keyless Entry Smart Lock, Fingerprint + Code + Smartphone + ID Card + Key(Suggest Operation Temperature:>=32℉) * Fit Doors: :Backset 2.16〃(55mm),Door thickness between 1.18〃(30mm) and 2.16〃(55mm),We suggest ask Locksmith to install this lock. Installation and Operating guide video:Search “ZKTeco TL400B ”on Youtube. * Not Waterproof and Not Reversible: : Be careful when choose the left or right handle lever.This Lock is Not Waterproof and it's only for indoor use. * Know who comes and goes: :A 24/7 activity log tracks who enters and exits your home. And with unique keys for each user, you’ll always know who opens your door and when. * Convenient: : With New ZK SmartKey app solution ,share codes anytime anywhere, voice guide with adjustable volume, back up key for emergency,bluetooth 4.0 provide less consumption.