Electronic Sauna Cabinet Combination Lock (EM121-J)

Features:
1:touchpad keyboard highlight high-tech sense.
2:two work modes: home mode(fixed password) and public mode(one-time used password)
Home mode:
*Two level managements: management password and user password; management card and user card
*easy to add and delete password and card
*up to 200 user password and card
*the lock can be set to either password or card alone open or need both card and password combinated to open
Public mode:
*the password is valid when you input your password and press key button once then input again to confirm
*Once the password you set is used to open the lock, the password will be invalid
*the lock can be set to either password or card alone open or need both card and password combinated to open
3: Support anti-peek function---A group of numbers which right password included in the last 32 numbers can also open the lock.
4:Enablen to delete specific card and password when it is lost or forgotten.
5: External Battery box to supply power when batteries have run down

Technical parameters:
* Card Type: EM4100
* Password: 4 to 15 bytes
* Reading time: <1s
* Reading distance: <3cm
* Power Consumption: Static Current: <25uA; Dynamic Current: < 150mA
* Relative humidity: 20%~98%
* Operating Temperature: -20 o C ~ +50 o C
* Working voltage: DC 6V( 4*AA 1.5V alkaline batteries)
* Low battery warning: <4.6V(can still open more than 200 times)