Information technology is the most important thing for business development in company. Resources in company, must be used and managed optimally, one of them is inventory, purchase, and sales part. ERP (Enterprise Resource Planning ) System is intergrated information system concept and can be used for company nor SME (Small micro medium enterprises) to developing their performance. Captain Gadget is one of medium-sized enterprises in Malang city which engaged to sales handphone, accessories, sparepart in retail industry. Captain gadget has three employes to operate in their company. In purchase management operate by Admin, in inventory management operate by warehouse admin, also in sales and marketing part operate by seller. Captain gadget in processing data used microsoft excel, while invoice and book keeping proccesed by manually. This causes not effective and efficient for company performance. So captain gadget need ERP system implementation and configuration to support their process business activity.one of them is wearing Odoo ERP Software based on opensource that can customized with system requirements in Captain Gadget business process