Christmas lighting use super bright LED,one by one connected together.Its a good describe sight in festival day and christmad day. When you use it ,please noted follows: 1. You have to huge high place when the lamps works on high voltage,so to keep careful 2. As this type of lamps is soft.It s so easy to bend,so keep carefull when install. 3. When using low voltage,you have to get the power in AC to DC,or install switch power 4. This type of lamp is usually used indoor,if you would like to make it use outdoor or in water,we could manufacture as your requirements