27.258.1 by AMASS(艾迈斯) Design and production,in One Stai Electronic Co, LTD Spot sales,And can pass One Stai Electronic Co, LTD Purchasing。27.258.1 Price reference $ 0.003058。27.258.1 - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information 27.258.1 Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial