Product DescriptionFront 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: -40dB Speaker: 4? / 3W Power Interface:1 Power supply:48VDC two-wire power supply Water-proof & Dust-proof: IP65 Installation: Flush-mounted or Wall-mounted Flush-mounted DIM: 226x108x52mm Wall-mounted DIM: 185x85x29mm Working Humidity: 1090% Working Temperature: -30°C +60°C Storage Temperature: -40°C +70°C