Video Outdoor Station Model VTO2000A-2 System Main Processor Embedded Micro Processor Operation System Embedded LINUX OS Video Video Compression H.264 Image Sensor 1/3” 1.3MP CMOS Lens 2.8mm Angle of View D:120° H:90° Day/Night Color Image Audio Audio Compression G.711 Audio Input Omnidirectional Mic Audio Output Built-in Speaker Bidirectional Talk Support Dual-way Bidirectional talk Operation Mode Keypad Single Mechanical Button Interface Door Control 2(1 relay out for main lock, 1 extended by access control module) Alarm In 2(1ch unlock button, 1ch feedback) RS485 1 Network Ethernet 10M/100Mbps Self-adaptive Network Protocol TCP/IP General Ingress Protection IP54,IK07 Tamper Switch 1 Installation Surface & Flush Material Stainless steel Power DC 24V or supply directly by VTNC3000A Power Consumption Standby ≤1W, Work ≤10W Working Temperature ﹣40°C~+60°C Relative Humidity 10%~90%RH Dimensions 129.9mm×32.2mm×140mm Weight 0.8Kg Video Indoor Monitor Model VTH1550CHW-2 System Main Processor Embedded Micro Process Operation System Embedded LINUX OS Video Video Compression H.264 Audio Audio Compression G.711 Audio Input All-direction Microphone Audio Output Built-in Loudspeaker Bidirectional Talk Support Dual-way Bidirectional talk Display LCD Screen 7“ 800x480, Capacitive Operation Mode Input Touch buttons Interface Alarm In 6 Alarm Out 1 RS485 1