R20K-2 Specification Physical & Power Front panel: Aluminum alloy Camera: 2M pixels, automatic lighting Keypad：Yes Light sensor: Support Infrared sensor: Support Wiegand port: Support RS485 port: Support RF card reader: 13.56MHz (with NFC) & 125kHz Relays out: 1 Inputs: 1 Microphone: 1 Speaker: 1 Power Interface：1 Power supply：48VDC / 24VDC Water-proof & Dust-proof: IP65 Installation: Flush-mounted or Wall-mounted Flush-mounted DIM: 226x108x52mm Wall-mounted DIM: 185x85x29mm Working Humidity: 10~90% Working Temperature: -30°C ~ +60°C Storage Temperature: -40°C ~ +70°C Audio SIP v1 (RFC2543), SIP v2 (RFC3261) Narrowband audio codec: G.711a, G.711μ Wideband audio codec: G.722 DTMF: In-band, out-of-band DTMF (RFC2833), SIP Info Echo Cancellation Voice Activation Detection Comfort Noise Generator Video Sensor: 1/2.7”, CMOS Pixels: CIF, QCIF, VGA, 4CIF, 720p, 1080p Video codec: H.264 Video resolution: up to 1920x1080 Max. image transfer rate: 1080p – 25fps Viewing angle: 110°(H) / 58°(V) High intensity IR LEDs for picture lighting during dark hours with internal light sensor Compatible to 3rd-Party-Video components, e.g. NVRs