7-inch linux arm tablet with IP67 waterproof and dustproof, MIL-STD-810G certification, 1.5m drop resistance, brings maximum protection against vibration and shock. This car tablet android comes with 4 RS232, 1 USB host, 1 Ethernet, 8 GPIO, 1 CANBUS, optional dual CANBUS, 1 power supply. As a mobile data terminal police, accessories also include power adapter, USB cable, and hardware interface can be customized to meet your needs.