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System Main Processor Embedded Processor Operating System Embedded Linux Operation System Button Type Mechanical Number of Buttons 1 Interoperability ONVIF; CGI Network Protocol IPv4; RTSP; UDP; DNS; P2P; UPnP; RTP; TCP; SIP Basic Camera 1/2.9" 2 MP CMOS Field of View H: 168.6°, V: 87.1°, D: 176.7° WDR 120 dB Noise Reduction 3D NR Video Compression H.265; H.264 Video Resolution Main stream: 720p; WVGA; D1; CIF Sub stream: 1080p; WVGA; D1; QVGA; CIF Video Frame Rate 25 fps Video Bit Rate 256 Kbps to 8 Mbps Light Compensation Auto IR Day/Night Auto(ICR)/Color/B/W; Color/B/W Audio Compression G.711a; G.711u; PCM Audio Input 1 channel Audio Output Built-in speaker Audio Mode Two-way audio Audio Enhancement Echo suppression/digital noise reduction Audio Bit Rate 16 kHz, 16 bits Function Communication Mode Digital 2-wire Unlock Mode Remote Leave Videos Yes (SD card is inserted in the indoor monitor or door station) Storage Supports Micro SD card (up to 256 GB) Web Configuration Yes Performance Casing Material Aluminum Port RS-485 1 Alarm Output 1 Power Output 1 port, 12 V/600 mA Exit Button 1 Door Status Detection 1 Lock Control 1 Network Port 1 x RJ-45 port, 10/100 Mbps network port Alarm Tamper Alarm Yes General Appearance Color Silver Power Supply Dahua 2-wire switch (max. power supply distance is 50 m) 48 VDC, 1 A; PoE (802.3af/at) Power Adapter Optional Installation Flush Mount; Surface Mount Certifications CE Accessory Surface mount box (optional); flush mount box (optional); rain cover (optional) Product Dimensions 130 mm x 96 mm x 28.5 mm (5.12" x 3.78" x 1.12") Protection IK07; IP65 Operating Temperature –30°C to +60°C (–22°F to +140°F) Operating Humidity 10%–90% (RH), non-condensing Operating Environment Outdoor Operating Altitude 0 m–3000 m (0 ft–9842.52 ft) Power Consumption < / =4 W (standby), < / =5 W (working) Gross Weight 0.48 kg (1.06 lb) Storage Temperature 0 °C to +40 °C (+32 °F to +104 °F) Storage Humidity 30%–75% (RH), non-condensing