NOTE: 1 zero Meter with Solder Joints, It Is Very Normal In an Electronic Product, It&;s Not a Quality Problem. 2 desire order a ws2811 led controller(Not Inlcude)and a 12V/24V led energy supply(Not Inlcude) Light Up the COB led strip. 3 LED Strip is Non-Waterproof. Specification: Input Voltage: DC12V, DC24V. IC Type: FCOB RGB WS2811 IC. FPCB Width: 10mm LED Quantity: 576LEDs/M Cutting Length: every single sixty two Individually Addressable: each 62 can be unique controlled. Color Rendering Index: Ra>90. Features: 1. Chips are organized in a linear way, integrated package, with uniform gentle shade and no light spot; 2. High thermal conductivity bendy circuit board design, can be bent at will, handy for installation; 3. The LED chip is instantly fastened at the FPC, and the luminous attitude can reach 180 degrees; 4. DC12V fixed voltage design, safe low voltage, low voltage drop, usual cascade 5m; 5. The back is pasted with excessive viscosity warmth conduction double-sided adhesive tape, which is handy for set up and firm and sturdy for pasting; 6. LED gentle source, energy-saving and environmental protection, in line with nationwide environmental standards. Package: 1 * COB RGB IC LED Strip (power supply and controller isn't always included).