Lus piav qhia luv luv:
Kev piav qhia ntau lawm
1.Double USB socket.
2.Aluminium alloy txhaj chaw nres nkoj.
3.Plastic plhaub + hlau rov qab phaj.
4.12V / 24V Nws pib hloov, me me, yooj yim rau kev khiav lag luam.
5.LCD, programing parameter.Data nco muaj nuj nqi.