RFID射频模块识别一卡通，具有其读写功能，读卡、写卡，更改卡内信息,彩色屏幕显示(RFID radio frequency module identification card, with its functional literacy, reader, writing cards, change the card information, color screen display)

RFID射频模块识别一卡通，具有其读写功能，读卡、写卡，更改卡内信息,更改卡内余额(RFID radio frequency module identification card, with its functional literacy, reader, write cards, change the card information, change the card balance)

RFID射频模块识别一卡通，具有其读写功能，读卡、写卡，更改卡内信息,在LCD屏上显示(RFID radio frequency module identification card, with its functional literacy, reader, write cards, change the card information is displayed on the LCD screen)

RFID射频模块识别一卡通，具有其读写功能，读卡、写卡，更改卡内信息，并且可以更改卡内余额(RFID radio frequency module identification card, with its functional literacy, reader, writing cards, change the card information, and you can change the card balance)