Samsung SHS-3320 is an award winning lock (iF Product Design, reddot Design 2012) that incorporates three access mechanism: pin number, RFID card and mechanical key. 

1. Deadbolt lock 
2. User friendly access (User access code, RFID Card, Key Tag, mechanical override Keys)
3. Master pin for administration
4. User selectable PIN number from 4 to 12 digits
5. Up to 70 PIN codes or RFID cards (total combined)
6. Bump proof mechanical keys, grooved side.
7. Manual or auto locking function
8. Burglar alarm or fire detection sensor (Above 75 degree Celsius)
9. Uses 4xAA Alkaline batteries (lifespan is 1 year with the usage of 10 times per day)
10. Emergency external 9V power connector
11. Samsung RFID Key Tags (4 pieces included in box)