Yale YDM4109 Plus

Main body (Main Body, Installation on the inside of the door)
1. Battery Cover
2. I Registration button
3. Lever
4. Manual thumb turn
5. Internal Forced Lock Switch
6. 1.5V AA Alkaline Batteries(4EA)
7. Slot for Remote control module(Option)
8. Volume Control Switch
9. Auto I Manual Lock button
10. Safe handle button
Register Controller
1. Enter the Master Code