The Yale YDM3168 is a high-security motorized smart lock designed for both residential and light commercial use. Compatible with wooden and steel doors, it features a robust 3-deadbolt system for enhanced protection. Users can enjoy keyless entry via PIN code or RFID proximity cards. The device includes advanced security features such as an 80dB burglar alarm, a scramble code function to prevent PIN exposure, and automatic locking. It also supports emergency mechanical key override and external 9V battery backup, ensuring reliable access at all times.