El frente de calle VTO3211D-P4, está orientado a viviendas multifamiliares o pequeños edificios permitiendo el uso de hasta por 4 usuarios del mismo sistema de viedo portero abaratando costos y favoreciendo la estética de la instalación, cuerpo de dispone de certificaciones IP65 e IK08 Technical Speci?cation Model VTO3211D-P/P2/P4-S1 System Main Processor Embedded Micro Processor Operation System Embedded LINUX OS Video Video Compression H.264 Image Sensor 1/2.8” 2MP CMOS Focal Length 1.9mm Angle of View H:134°, V: 94.8°, D:151° Day/Night ICR Audio Audio Compression G.711 Audio Input Omnidirectional Mic Audio Output Built-in Speaker Bidirectional Talk Support Dual-way Bidirectional talk Operation Mode Keypad 1/2/4 Mechanical Buttons Reader Mifare Card Interface Door Control 1 Alarm Out 1 Alarm In 2(1ch unlock button, 1ch feedback) RS485 1 Network Ethernet 10M/100Mbps Self-adaptive Network Protocol TCP/IP Ethernet 10M/100Mbps Self-adaptive Network Protocol TCP/IP General Ingress Protection IK08, IP65 (Apply silica gel to gaps between the device and the wall. Liquid sodium silicate is recommended. For details, see the quick start guide.) Tamper Switch 1 Installation Surface Material Zinc Alloy Power DC 12V, PoE(802.3af) Power Consumption Work =6W Working Temperature ?30°C to +60°C Relative Humidity 10%RH–90%RH Dimensions 182.0mm×30.0mm×101.0mm Weight 0.8kg Marca: Dahua Part Number: DHI-VTO3211D-P4