VN920-E by ST Design and production,in HongKong RichShine Technology Co., Limited Spot sales,And can pass HongKong RichShine Technology Co., Limited Purchasing。VN920-E Price reference $ 1.582000。VN920-E - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information VN920-E Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial