Our LED solar Christmas light strings can be steady-on or flashing by controllers. High quality Crystalline solar cell panel/control box which is very small, very compact and very lightweight. Easy to set up and maintain. Simply wrap shrub and you're done! LED lights charge by day and turn on/off automatically when the sun rises and sets (runs up to 8 hours). 100 bulbs per net. Total string length is 10m. The Total string length and the number of bulbs can be customized according to specific requirements.