Function instruction:
Sound prompt function: When operating cabinet lock with different sound to prompt.
Indicate lamp prompt function: Three kinds of color lamp prompt (yellow lamp display alarm, red light display low voltage, green light display unlock).
Emergency opening function: When battery have no power, can use external power supply (Battery case) to connect to socket to supply power to open lock.
Low voltage alarm function: When low voltage, operating electronic cabinet lock with red light prompt (please change battery fastly), during the low-voltage, the electronic lock still can unlock up to more than 100 times.

Password digits: 1-8digits
Master password: 1-8digits
Multilevel code: Have 2 levels to manage---Master code and User code, both of them can as clients requirements to set up.
Clear code: When user forgot his user code, can use master code to open lock and set new code.
Password Protect function: When continuous entered wrong password three times, the main board of lock will locked minutes, this can prevent code from stealing.