The color can be switched between white light and yellow light SOLAR POWERED - Save energy, save money, . charge during the day and turn on automatically at night. 6-8 hours of battery life each night. CORDLESS - Avoid the cost and headache of hiring an electrician or contractor to run dangerous wires outside. Each lamp is cordless and completely self-contained. ONE SIZE FITS ALL - Wooden posts come in all shapes and sizes. Our single base looks lovely on any 4-6 inch square or round wooden post. The lighting time of the solar post lights varies with the time and intensity of the sun's light. type: B colour: black Material: Plastic Size: 10.5 x 10.5 x 10.2cm Package Contents: 1 x solar light Only 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.