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