If I don't have wifi installed at home, can I still use it?

Even if there is no wifi installed in your home, it will not affect the use of this wifi printer. There is a built-in wifi setting inside the Liene wifi photo printer, you only need to open the wifi setting of the device when the printer is turned on, you can search for the printer's hotspot Liene Photo Printer[xxxx]-Wi-Fi, the default password is 12345678;
In addition, this portable picture printer also supports USB connection.