Now a lot of shopping malls, are beginning to use brush face pay equipment ancillary fees, customers in the use & other;Brush face payment & throughout;Good, just on the screen to choose goods, look at the screen at the top of the camera, then enter a phone number, can the automatic machine to complete the payment process, get the goods.“Brush face payment & throughout;Compared to sweep yards pay more fast and convenient, but pay the presence of others to use brush head for unauthorized hidden trouble?