Biometric Fingerprint Keypad Card Door Lock for Home SL-F8903

  • Master card is the highest authority of the door lock, please keep it safe
  • A mechanical key is for emergency unlock, please put it in a safe place
  • Dispose of used batteries according to local environmental requirements
  • Do not a mixture of old and new, or different brand batteries
  • Use AA alkaline batteries or AA1.5V rechargeable lithium batteries
  • Do not use water or other liquid shower door lock
  • Technological innovation, Please check our website
  • Final interpretation of this manual is on our company