If it is the first time to use, you need to turn on the switch. There is a small switch under the top part of the lighthouse. and then fully absorb the sunlight in the sun; if it is used for a few days, make sure it is in the sun and there is sufficient sunlight; also need to pay attention to this Inductive, it will only be bright if it is dark, and the switch has to be pressedRotating light effect Solar panel:easy to install, no wiring or electricity required On/Off switch.Solar Light House Wire free installation, place in your borders 1 x bright white LED bulb.The motion effect means that it moves like a real lighthouse, adding to the appeal of this item. It works for 6-8 hours on a full charge of 6-8 hours sunshine (approx) Do not submerge in water Keep out of reach of children.colour:As shownMaterial:Resinsize:38 x 13.5cmPackage Contents:1 x solar lightOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.