• Adopt the new Vstar GUI, which is easy to operate and runs smoothly • 4K Video Output • Adopt the new VStar GUI, which is easy to operate and runs smoothly • Support intelligent coding VSmart, greatly reducing storage space • Improved compatibility for HDD. Support 8x SATA max. of 10TB • Support Alarm-In and Alarm-Out. 16 Input and 4 Output. • Support RS485 • Support Intelligent Detection and Human Detection