NOTE: 1.Every 0.5 Meter with Solder Joints, It Is Very Normal In an Electronic Product, It's Not a Quality Problem. 2.You need order a ws2811 led controller(Not Inlcude)and a 12Vled power supply(Not Inlcude) Light Up the COB led strip. 3.This LED Strip is Non-Waterproof. Specification: Input Voltage: DC12V, IC Type: FCOB RGB WS2811 IC. FPCB Width: 10mm LED Quantity: 576LEDs/M Cutting Length: every 62.5mm Individually Addressable: every 62.5mm can be unique controlled. Color Rendering Index: Ra＞90. Features: 1. Chips are arranged in a linear way, integrated package, with uniform light color and no light spot; 2. High thermal conductivity flexible circuit board design, can be bent at will, convenient for installation; 3. The LED chip is directly mounted on the FPC, and the luminous angle can reach 180 degrees; 4. DC12V constant voltage design, safe low voltage, low voltage drop, standard cascade 5m; 5. The back is pasted with high viscosity heat conduction double-sided adhesive tape, which is convenient for installation and firm and durable for pasting; 6. LED light source, energy-saving and environmental protection, in line with national environmental standards. Package: 1 * COB RGB IC LED Strip (power supply and controller is not included). The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom’s policies and EU Product Safety and Compliance laws.