WS2811 IC=12V RGB IC.The professional name is WS2811 .Addressable groups of 3 LEDs.One WS2811 IC controls three LEDs .Dream full color Programmable LED Strip.5050SMD .256 brightness display and 24-bit color display.Every 3 LEDs can be cut off without damaging the rest strip. You can shorten, lengthen or bend it freely if you want. All RGB IC strips kit on the market are WS2811 .Different manufacturers have different names, and the color order is different .BTF-LIGHTING WS2811 Color order is BRG. | Flexible PCB Board,3PIN JST-SM connectors on both ends for easy installation and connecting LED Strips in series.Separate power/ground wires on both ends for injecting power in case of voltage drop. Works great with K-1000C,SP105E,SP601E,SP611E,SP511E,SP602E,SP604E,SP511E,SP608E Music Blutoooth APP controller , SP501E Intelligent speech control WiFi APP Controller.RF Remote Music controller.Group Controller etc.DIY Controllers: Rasp ,R3 ,Mega,Mini,etc. | IP65 Silicone Coating Waterproof .Dust Prevention Splash Proofing Designs. IP65 should not be exposed to rain or sun. 3 PIN-JST Connectors are non-waterpprof.Work Indoor Only. Providing technical services,1 Year Warranty. A 24-hour online hotline allows clients in the US write in with any question they might have. It can be used with the DC12V RGB IC strips on the market to extend your project, but pay attention to the color order and power supply | Recommended power supply DC12V4A.3 LED form a circuit, and so this item can be cut out or weld freely. Match use controller can appear colorful curtain-up/ flow water/raindrop/jump flash and so on hundreds of lighting effect, you can also edit animation effect by Coreldraw/Flash/LedEdit software. The power of the strip is not a fixed value,Light up 1 color(red or green or blue or pure white) 0.1W/LED .Light up 2 colors(red+green) 0.2W/LED ,Light up 3 colors(red+green+blue=mixed white) 0.3W/LED | Making led screen, led wall, advertising board, apply to hotel, KTV, bars, Outdoor advertising signs, Festivel Christmas or wedding party decoration.There is double side tape on the back, so you can stick it to the wall or other items conveniently as you like.IP67 waterproof should use screw and clip to fix,there is no double side tape on IP67 Back.