LED light can keep glowing for about 8 hours a night after fully charged during the dayWaterproof, suitable for indoor and outdoor use.Great for Christmas, party or other celebration occasionsPanel to 1st bulb approx 200cm.Between bulbs 15cm.Solar Panel 6.5*5CM.Ground Spike 17.5cm.Installation and Application:Assembling: Put the stake onto the tube at the back.Installation: find a place for the lights with clear and full exposure to the sun.Insert the stake into the ground. If the ground is too hard, do not twist or hammer it with force. Failure to follow this may result in product damaged.Expose the solar panel to direct sunshine. Make the solar panel faces right to the noon sun.At the back of the solar light, there is a 3-way-switch; middle position for OFF, left and right position is for blinking or steady-on lighting performance.For initial application, we suggest the solar panel be exposed to the sun (to fully charge the battery) for 1 day or more with manual switch on.Push the switch to ON or FLASH. The string light now is ready to work automatically at dusk.Please uninstall the safety cover of switch before using.Attention:This listing is for a product manufactured byZITRADES(TM).And marked under theZITRADESbrand name.ZITRADES(TM) is a LED brand driven by higher quality products, a registered trademark protected by US Trademark Law.USPTO serial: 85910989The item only sold byZITRADESwithZITRADESspecial pakcage.We are an US based company that deals in the wholesale of  LED light and fun electronic products. We take full ownership and responsibility for the quality ofZITRADES(TM)products, If for any reason you are not happy with any product by us , please do not hesitate to contact us and will do our best to solve your problem asap!