: Design for Do It Yourself (DIY); No Professional Needed; Everything Included
: AutoLock in 3-sec from Outside; Alert to Every Entry Attempt;
No Phone Connected: No Hacking
&: Backup Mechanical Key included and Battery Low Warning
: Master code, and up to 8 User Codes and P-Code, all Controlled by Your Own Master code, Add or Delete anytime. Perfect for Home Offices, Guest Houses and Rental Properties
-: Fit both left-hinged and right-hinged doors; Replace Most Existing Door Knobs, Easily by YOURSELF