Fairy Lights Battery Operated - Non Blinking- 9ft 8in - Set of 1, Warm White https://www.amazon.com/dp/B00M2DPLIE/ref=cm_sw_r_cp_apa_0DrBzbGDXAD99

Not an outlet, but a lot of places sell battery powered "fairy lights". Here is an example. They look a little smaller than Christmas Lightsn but they are cute.