Biometric Machines USB Cable 5.5mmx2.5mm For Powerbanks Use

Biometric Time attendance USB Cable 5.5mmx2.5mm for powering with powerbank
 
this is a Biometric Time attendance USB Cable 5.5mmx2.5mm powering with powerbank.

most of the time attendance machines requires stable electricity to power on.

with this cable, you can use your powerbanks to power those machines for several hours
especially the a6 time attendance machines that consumes low light.

Note - your powerbank output ratings must be 5v 2.1a.this the required power for time attendance machines.
is very important,do not plug in 5v 1a.
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a