1 Suitable for 7cm ordinary jars, this solar jar lid insert is suitable for most standard glass jars.2 Solar power supply, no electricity is needed, just simple sun can be calculated. Each solar glass bottle is equipped with waterproof solar battery, rechargeable battery and super bright LED.3 Each light has a built-in light sensor, so when the light dims, it will automatically turn off at night. Each light also includes an On/Off switch under the cover.4 With this fairy jar lid, turn on the fairy lights. Then make the LED string light into any shape you like, you can easily make instant solar street lighting, solar garden lights, novel LED jar lanterns, and create beautiful solar garden lights. You can use the solar lights in the whole home and garden to easily achieve accent lighting and sidewalk lighting.5 Just open the jar, then put the LED lamp on the ring of the jar, then close the lid, and hang it in the sun. The solar panel will absorb the sun energy during the sunny day and light up when the dark comes.1 * Solar jar lid string light (not including jar)