These Gorsuch 60W Solar LED GLS Light Bulb (Set of 4) are among the easiest lights to install in your garden. Their environmentally friendly solar-powered design requires no mains electricity but gathers energy directly from the sun, which means no wiring is necessary! All you need is sufficient sunlight to charge the battery via the solar panel. At dusk, the lights will automatically switch on. Depending on the number of sun hours the bulb receives, it will light for approximately 6 hours. With their industrial look, the bulb-shaped lights will add a touch of style to your outdoor living space, and they are very easy to install with the supplied mounting clips. Delivery includes 4 solar garden lights.