Yale Smart Push Pull Smart Door lock with One touch Fingerprint scan supports 40 credentials ,40 RFID Cards & 30 User Pincode with Mechanical Key override. Use our Yale app to control your door to unlock/lock with the help of Yale Wifi bridge & Bluetooth module , grant guest access, genrate One time password ,see who came and left, and let anyone in from anywhere. It's anti theft/door alarm informs you with any unwanted activity on the door. Fake Pin code feature prevents passoword being exposed ,Voice guide feature for easy operation , Auto/Manual Locking mode ,Low Battery indicator & 9 V emergency power supply option in case battery gets drained, Internal Force Lock to disable all electronic function from outside to ensure letting people in only when you permit,Alumunium Diode body & EN Certified SS 304 Deadbolt to ensure maximum strength & durability , Supports door thickness from 40 to 80 MM , Seamless Integration Capabilties with Video doorphone & Home Automation Controllers