turn on the ON button on bottom charging by the or good daylight. NOT suitable for storms and extreme weather. Simple and light solar replacement light box.decorate your beautiful outside garden and terrace. Replacement: Solar light replacement top is suitable for solar light. Outdoor: The battery box is durable, suitable for outdoor use. Working Time: The charging time is 6-8 hours, and the working time is more than 8 hours. Colour:Photo Color Material:plastic Package Contents: 4 x solar light replacement top Only the above package content, other products are not included. Note: Light reflection 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.