Panel: Glass Built-in microphone: built-in microphone, pickup distance ≤1m Built-in speaker: built-in speaker Built-in card reader: none Screen size: 7 inches (vertical screen) Screen ratio: 10:16 Screen resolution: 600*1024 Touch screen: support Supplementary light scheme: white light supplementary light Infrared supplementary light Shell: die-cast aluminum Size (width*thickness*height): with sunshade 134*168*444(mm) Weight: 1.93Kg With Sunshade Installation method: short bracket (extensible short bracket, wall-mounted (adjustable angle), upright) Base: hole diameter, high bracket Usage environment: indoor, outdoor IO: Input: 2 channels (IN1/IN2/GND) Output: 2 channels (NC1/IO1+/IO1-; NC2/IO2+/IO2-) Wifi: support Bluetooth: not supported Power input: 12V DC input (positive and negative 20% wide voltage range) Network: 100Mbps single network port 4G: Not supported USB: 1 channel, USB2.0 Serial port: 1 RS485 Weigen interface: 1 way Weigen input (W0/W1) 1 Way Wigan Out (W0/W1) Working temperature: -20℃~60℃ The maximum warehouse capacity of the card number: twice the capacity of the personnel warehouse Multi-personnel database management: support up to 16 personnel libraries Recording capacity of this machine: up to 500,000 Maximum storage capacity: 5W