У вашего броузера проблема в совместимости с HTML5
Model No. GEAMPSPI1-8
This SPI amplifer, SPI splitter work with DC12V-24V.
Input 1 group SPI sgnal, output 8 groups SPI signal.
for amplify one line signal (DAT) or two line signal (DAT, CLK) or three line signal.
Pls visit http://www.gree-leds.com/productshow.asp?ArticleID=RS6S22Z7YS to know more details.