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SL307 is made from 304 stainless steel material for card reader, front, back and handle.












  • Material:  304 stainless steel
  • Warranty: 24  months
  • Opening time: the  lock will be locked automatically 7 seconds after unlocking.
  • Alarm with extended beep alert when there is an unauthorized intruder, or the door is not completely closed.
  • Signal with a light signal when swiping a card.
  • Power supply:  4 standard AA batteries.
  • Battery life:  About 18 months in a normal state, depending on usage and climate conditions.
  • Warning when the battery is low:  When the power voltage is less than 4.5V, there will be a warning when unlocking. The lock can still be unlocked about 100 times before the battery has been replaced.
  • Signal by sound or flash signal when battery is low.
  • Running lock with extremely low static power consumption: 25uA.
  • Power consumption: <150mA
  • Working temperature: -20 from 45 degrees
  • Working humidity: 20 words 95%
  • Available door thickness: 40 from 65mm
  • Recommended use: wooden doors
  • Emergency unlock:  In case of an emergency it is possible to unlock it with a Master card or a backup mechanical key. 
  • The special key engine hidden in the lock is safe for users.
  • Unique new design , advanced technology.
  • Hotel key management system  includes: management software for issuing cards, locking, encrypting data,
  • cards and registration data registers, power saving switches.

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