Guangzhou audio conference control, as the United States and the touch screen features: 
 1. Processor 
 CPU: 64 位 ARM processor 
 Speed: 60MIPS, startup time, no more than 0.2MS 
 2. Memory 
 64MByte RAM and 128M NORFLASH 
 3. Display 
 Display Type: TFT display 
 Display Size: 640X480 pixels 
 Screen Size: 6 inches diagonal 
 Aspect ratio: 4:3 
 Contrast: 9 adjustable 
 Display color: 16 bit true color 
 Viewing angle: Horizontal ± 60 degrees, plus or minus 35 degrees vertical 
 Key: 3D/2D buttons and a variety of display 
 4. Power 
 Built-in battery: 8.4V / 4100mAH lithium-ion battery 
 External adapter: 12W 1A @ 12VDC. Input Power 100V ~ 240V 50/60HZ 
 Maximum Power: 8.4V * 200mA maximum brightness 
 Standby time: the screen saver mode is not less than 8 hours, turn the switch off of not less than 360 hours 
 5. Communication 
 Frequency: Bi-directional RF transmitter, 433MHZ, adjustable communication ID Address 
 Communication distance: 80 meters line of sight 
 Computer Management Port: RS-232 communication port to download, Φ3.5 Interface 
 6. Enclosures 
 Long resistant aluminum alloy shell, desktop placement 
 7. Interface Language Support 
 Supports fully programmable interface display language