This LED string is very nice and attractive and bright enough and write under it . String made from super power long life SMD LED's which are small and bright and assembled on a flexible PCB. With an adhesive tape on its backslide so that You can fix string to any surface in any desired shape This LED string works on 12V DC, 1A power supply (can use a 12V battery also). This is the optimum working voltage for this string. Brightness of this string may decrease upon lower voltage power supply to it- Power supply higher than 12v Dc is not to be used as it will damage the LEDs. Anyway you can provide lesser voltage. You can Also use it on your bikes and cars on 12V DC Power. The point where you can cut is clearly shown on the string with solder points. The LED's are of long life type and they typically have a life of more than 10 years subject to proper uses of light. LED string is useful are very useful for decorating, Birthday parties, Festival celebrations shops cove lighting and many many others uses depending upon your creative imagination. Package Include 1. 5 meter Led Strip of your colour choice. Note: The product is fully tested and only then it is shipped that’s why you will get open packing not the sealed unit.. You Need proper Adapter for running this Led light on electricity Package: 1 pc blue led strip with adapter.