Specification :

1. displays language: support multi-language
2. memory: 6 text message, 2 graphic information, and can show the logo of company
3. operation: switch buttons, 4 adjustable brightness, 5 speed adjustment, that is the text display speed can be fast or slow, 1 switch button, can control the 8 message to be showed continually
4. charging time: built-in polymer Li battery, 1600mAh, charge 2 hours, wide voltage input AC 110-245V
5. working time: can work 16 hours continually basing on the brightness is 25%
6. directly through the USB line to download information from the computer, and also can be recharged