Samsung SHS-2920 Digital Door lock  Door Entry System two Way Password key tag

1. Sensuous blue backlighting for dark hallways and entry/exit at night

2. You don't need to open and close the cover, or worry about wearing of the numbers

3. Magic Number Dual Security

4. Limit the content of 6 substances harmful to human body

5. Away mode for long-term leave

6. Silent Mode

7. Battery Dead Alarm

8. Intrusion and prank warnings

9. Abnormal High Temperature Warning

10. Emergency power supply

Power supply: 4 AA batteries

Dimensions: Outer Body - 67(W) X 157.1(H) X 16.5(D)mm 

                     Inner Body - 7158(W) X 89(H) X 44.5(D)mm

Weight: 1.7kg

Color: black