function
1、one card or two card open mode
2、master card management
3、information indicated by Led and Buzz, low voltage alarm, emergency power supply
5、Holder or hand chain, easy to use
6、All card in lock can be cleared by clear card, don’t need to dismount the lock
parameters ：
supply voltage：DC 4.5V  (AA size/1.5V×3cell battery)
alarm voltage：<3.4V～2.8V
static power consumption：<3μA
dynamic power consumption ：<80 MA
work environment：TEMP-40℃～+85℃,humidity≤98%

Closet lock can one card or two card open mode,inrormaione indicared by Led and Buzz,low voltage alarm,emergency power supply,holder or hand chain,easy to use,All card in lock can be cleared by clear card,don't need to dismount the lodk.
The cabinet door lock mainly uses to take a bath to change clothes the cabinet, hotel Chu Wugui, places and so on office filing cabinet. Cabinet door lock use smart card 1990A-F5 is opens the door the key. Use aspect, safe.