lot of 3 NEXT BOX-Dual Band Wifi Repeater Wifi 5 AC1200 2.4G/5G Extender

New as picture 

comes with manual 

how to use: press the WPS button in your router and then press the WPS button on the extender.

If this option did not work

Please reset the extender and use your PC/phone/or mac 

you will find a link in the manual to log in and create an account make sure to connect your phone or PC to the router's wifi before you enter the http link in your browser to log in to the extender website.