[ Important ]: Read the size information to see if it fits your door (especially when you want to use it on front door)
[ User Capacity ]: 1 Master code, 100 user codes, 150 fingerprints. Programming changes can be easily made using the keypad.
[ Anti-peeking ]: Users can add any random digits before or after the real entry code (20 digits in total at most)..
[ Passage Mode ]: Gives you flexibility at a home or office to leave the door unlocked during business hours or peak hours of use, but limit access at other times.
[ Voice setting guidance ]: Insert voice setting guidance helps you program each function very easily!