Add candle festoon bulb lighting anywhere outside quickly and easily with our premium grade Lumify USB Solar Candle Bulb Lights. Each set has 20 bulbs that each contain 4 vintage warm white micro LEDs. The bulbs are spaced 75cm apart along a 14m string with an additional 1.9m between the control tube and the first bulb. Lumify uses our latest high efficiency circuit design backed up with enhanced USB charging and our new Powersaving technology to guarantee unrivalled performance night after night, year after year. Designed to specificallly to work in UK winter.