Magento 2 Barcode Scanner Extension

Need module for barcode scanner for scanning products along with barcode generate for each products and scanner can scan that while create order from backend, if we scan same barcode then system will increase quantity not add new product. Also can able to add product manually and need popup for start scanning and done button when all products are scanned and added in order. Reference Extension : [login to view URL] Above is the extension for barcode scanner but we need additional functionality that I have mentioned.