This 16.4ft long single color LED strip light use super bright SMD LED as light source, and can be fixed on uneven surface and any narrow or small space for its high flexibility and 3M self-adhesive tape on the back You can cut the strip light every three LEDs (as a loop) according to your specific need, cut neatly along the golden soldering incising line and mix and match lengths of your application Low voltage as 12 volts, it"s safe to use indoor as house and room decoration lighting, such as kitchens, dinning room, underneath tables and counter, TV rooms, bed rooms and closets. It can also be installed on vehicle directly to its 12V battery as a decoration and will create fabulous eye-catching special effects. A little tip for you to choose between 3528 and 5050 LED strip light: 3528(AKA 1210) and 5050 refer to the size of LED lighting chip on the strip light. While 3528 refers to 3.5mm* 2.8mm, 5050 refers to 5mm*5mm. Each 5050 LED is larger and brighter than 3528 LED, but don"t forget that the brightness of a whole roll of LED is also determined by the density of LED (how many LEDs per meter and per roll) Any question, please contact our TorchStar technical support team. Package includes: 1pc LED 3528 strip light ONLY. Accessories are available in our online store for your need, such as compatible controller with remote, power supply, amplifier (data repeater), power cables, etc. Compatible power supply -ASIN: B005H4I5DS.