Features:
Five peripheral ports on the bottom, including the RS232, LAN port, and USB-A ports. It is available to connect multiple devices, like the cashier.
Specifications:
Micro USB: Charging Input Port, DC 5V/2A
RJ45: LAN, for 10M/100M Internet Cable
RJ45: RS232 Serial Interface
USBA: Dual-USB, USB 2.0, for USB devices
Maximum Charging Current: 1.2A