GS-R400V by STMicroelectronics Design and production,in TanJiayuan Electronics Spot sales,And can pass TanJiayuan Electronics Purchasing。GS-R400V Price reference ¥ 0.00。GS-R400V - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information GS-R400V Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial