The color can be switched between white light and yellow light. SOLAR POWERED - Save energy, save money, save the planet. Charges during the day and automatically turns on at night. 6-8 hours of battery life every night. WIRELESS - Avoid the cost and headache of hiring an electrician or contractor to run dangerous wires outdoors. Each light is wireless and completely self-contained. SIZE - Wooden posts come in all shapes and sizes. The base looks great on any 4-6 inch square or round wooden post. The lighting time of solar lights varies with time and sunlight intensity. type: B color: black Material: plastic Size: 10.5 x 10.5 x 10.2 cm Package contents: 1 x Solar light Only the above package content, other products are not included. Note: Light shooting 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 +/- 1-3 cm.