RFID Access Control System Device Machine Security Proximity Entry Door Lock Quality yellow wire You would be if you

You would be if you don’t have this cool CJMCU TCA9548A I2C 8 Channel Multiple extensions development board

Accessories:

a 12V 7AH battery is relatively compact and portable

the status light indicates

RFID Access Control System Device Machine Security Proximity Entry Door Lock Quality yellow wire You would be if youDescription: Classical Appearance with useful function Professional Design and Quality for Home and Office High Security Working voltage: DC 12V RFID Card Capacity: 500 cards, A Personal PIN goes alone with each card Lock relay time: 3 seconds The card read distance: 5 50 mm RF card type: EM or EM compatible card Working temperature: 10~70 C Door Bell Option Door Open options (admin user selectable) : Card (Key Tag) & Password Card (Key Tag) Only