SR2LABU by STMicroelectronics Design and production,in GUI XIN Group (Hong Kong) Limited Spot sales,And can pass GUI XIN Group (Hong Kong) Limited Purchasing。SR2LABU Price reference $ 0.910000。SR2LABU - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information SR2LABU Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial