Cata LED Strip Indoor LED Strip is Sold as a 5 Meter Package. There are scissor cutting points every 50 mm. It has its own original tape. Number of LEDs: 60 LEDs. Light Angle is 120 Degrees. It Works with 12 Volts. It does not work with 220 Volts. You Need to Use LED Transformer. You can ask the seller how many meters of LED transformer you will use. Extra Thick PCB 10 Chip High Lumen New Technology. INSTALLATION 1- Before installing the product, the surface to be installed must be clean and dry - 2- After sticking the LED strip to the surface, adjust the cables to the connection points of the transformer - 3- Usually the red wire is positive (+) and the black wire is negative (-) - It transfers its energy to the Shining Light Energy Transforms - You Achieve More than 70% Efficiency with LED Lighting. Thanks to its flexibility, it provides easy installation to our customers. It is mostly used as decorative lighting in homes, shopping malls, entertainment venues. PRODUCT ADVANTAGES a-FLEXIBILITY strips can be adjusted according to customer's wishes b-EFFECTIVE ENERGY high efficiency More than 1/3 energy savings compared to fluorescent lamps. It provides energy savings compared to bright lamps. c- ENVIRONMENTAL FACTOR It is free of mercury and operates silently. d-LONG LIFETIME, it works for more than 25000 hours with its low energy. e-SAFETY It works with voltage that will not harm the human body.