CREATE TABLE table_47241 ("product" TEXT, "dimensions  ( mm ) " TEXT, "pages per minute  ( color ) " FLOAT, "max page size" TEXT, "interface" TEXT)

What is the interface of the product xerox travel scanner 100?
SELECT "interface" FROM table_47241 WHERE "product" = 'xerox travel scanner 100'
SELECT "interface" FROM "table_47241" WHERE "product" = 'xerox travel scanner 100'