Features:Keyboard to Control• DAHUA Standalone DVR• DAHUA (Network) High Speed Dome• DAHUA High Speed Dome• Central Management Platform• Network Video Server• RS232, RS485 & Network Connections(Wi-Fi)• Four Dimensional Joystick Control of PTZ Functions• Support 4K decoding live view• Support 4CH HDMI output• Support snapshot and recording to U-disk• Support Video-Wall display control• Support bidirectional talk• Preset Position, Auto Scan, Auto Pan, Auto Tour & PatternControl• Auxiliary Functions, OSD and operation guides Control• Includes an extension keypad moduleTechnical Specifications:System• Main Processor Dual-core Braswell Processor• Operation System Embedded LINUX 420Display• Video Output 4×HDMI(extension decoding display)• Stream Type H265, H264, MPEG, Nonstandard• Decoding Capability 4CH@12MP(20fps)/4CH@4K(30fps)/6CH@5MP(30fps)/8CH@4MP(30fps)/10CH@3MP(30fps)/16CH@2MP(30fps)• Stream Type H265, H264, H264H, H264B, MJPEG, MPEG4, SVAC, SmartH264 and non standard• Display split 1/4/9/16• Screen 101″ TFT LCD touch screen (1280*800)Audio & Alarm• Audio Input/Output 1 pair 35mm jack, support bidirectional talk• Loudspeaker 1• Alarm In 4, High-low level• Alarm Out 4 (3 relay, 1 12V_1A)General• Network Interface 2×RJ-45 port (10/100/1000M)), Wi-Fi• USB Interface 2 USB30, 2 USB20• Wi-Fi Support (24GHz)• RS485 1 for ptz control• RS232 2, debugging and recorder control• RS422 1(reserved)Environmental• Power Supply DC12V, 4A• Power Consumption 25W(max), 18W(standby)• Working Temperature -10°C ~+55°C• Working Humidity 10%~95%• Atmosphere Pressure 86kpa~106kpa• Dimension Host: 425mmx194mmx59mm (W×D×H) • Mini Keypad: 421mmx105mmx26mm (W×D×H)• Weight 373kg(exclude package)