Samsung SHS-1321 Digital Door Lock, RIM Deadbolt, Touchscreen, Keyless;

â–º Enhanced Security

Random Security Code - Before entering pin, 2 random numbers to push will appear. Throws off on-lookers and spreads your fingerprints around the keypad to prevent guessing of your passcode.
Double Authentication - Both password and RFID tag are required to unlock the door
Double Locking - Use this feature to prevent the lock from being unlocked from outside, even by a key.
Anti Theft - Secure your home when your family is away. An alarm is set off when the lock is operated from inside; a sign of a thief trying to flee.
Mischief Prevention - After 5 failed entry attempts a warning sounds and the lock stops operating for 3 minutes.
Intrusion Alarm - If the door is opened while still locked an alarm will sound making the intruder less likely to stay.
Fire Warning - If temperature reaches a certain degree the thermal sensor will activate the alarm. The lock will auto unlock helping you to escape the fire.
Emergency Power - No battery; no problem. Simply use a 9V battery to power the lock from the outside panel and enter as usual.
Auto Locking - A physical sensor enables door to automatically lock after 3 seconds of being closed.
Auto Polling - Skip wake up/random security code when using RFID to enter.
Low Battery Warning - When batteries are low, the lock will play Fur Elise after every unlocking of the door.

â–º Specifications

Max User Memory - 21 user pin/RFID
Door Thickness - From 40mm to 50mm
Lockset - RIM, handleless, deadbolt
Lock Material - Zn, Al, ABS
Fits 160/161 prep door - Cylinder 2 â…› inch diameter
Battery Life - 12 months at 10 uses per day
Battery Type - 4 AA alkaline batteries
Lock Size - Exterior 2.7 x 6.9 x 0.9, Interior 7.2 x 3.6 x 1.9 inches (WxHxD)
Operating Temp -25°C to +60°C
Water and dust resistant