Zonet ZSR4174WE

802.11n Portable AP/Router

Product page (via archive.org)

Review with pictures (ES)

The power adapter included with the device would appear to be a Shenzhen Heweishun Network Technology Co., Ltd. TEA09U-05120 (100-240VAC ~ 50/60Hz, 0.3A -> 5VDC, 1.2A, USB Female A connector).