This LED lamp string is composed of 100 5mm diameter concave color LED and transparent connection wire and four channels eight function color lamp control box, the total length of about 9.5 meters, about the use of 220V voltage, the total power consumption is less than 1 watt. Installation and use is simple, only need to put the lamp string according to the shape you want around the place you want to install, and then plug in 220V power supply.