1.Multifuntional Lock:Includes with 1 Remote Control,2 M1 Cards,2 Mechanical Key,or you can use Pass Code.Pls contract us if you need more remote controls and cards
2.1020 Total Possible Users:Quickly Create and delete access codes for trusted friends and family (up to 1020 )
3.Replaces existing deadbolt with just a screwdriver, Requires(Center Distance:60 mm-70 mm.Door Thinckness 30mm-60mm)
4.Easy to install.You can install the door easly,Just follow the user manual.There is Voice Navigation While Operating,Contact Seller For Video Guide
5. XINDA Brand Warranty Service: 1 years warranty service. Professional customer service & technical support. Please feel free to contact us if you have any questions.