... white, RGB, etc.² Wire: green, white, transparent, black² Size: total length 5M, bulb space 10-15cm (2) About working² solar energy transforms ... , such as the color flashing, the length between the two led lights, the extended wire length, the item cased on the bulb ... another tree light² For given rated voltage and LEDs,the length of string light set and LED space can be adjusted ...