SRK2000DTR by ST Design and production,in HongKong RichShine Technology Co., Limited Spot sales,And can pass HongKong RichShine Technology Co., Limited Purchasing。SRK2000DTR Price reference $ 1.264950。SRK2000DTR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information SRK2000DTR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial