Specification Brand : Vrabocry BulletPoint1 : One pixel damaged will not affect the other LEDs working. BulletPoint2 : Individually Addressable,Every one led has its own IC chip,one IC controll one led. BulletPoint3 : The power protection,if +12V and GND reverse polarity,the LED will not be burned. BulletPoint4 : Dual signal wires version, signal can jump to transfer. BulletPoint5 : The original electronic devices integrated,it does not cause virtual welding in the installation process. ControllerType : Voice Control ControlMethod : voice ExternallyAssignedProductIdentifier1 : 0749085303780 ExternallyAssignedProductIdentifier2 : 749085303780 IncludedComponents : Module ItemName : WS2815 RGB 5050SMD Individually Addressable Digital 16x16 256 Pixels 6.3in x 6.3in LED Matrix Flexible FPCB Dream Full Color Works with K-1000C Controller Image Video Text Display DC12V ItemTypeKeyword : led-segment-displays Manufacturer : Vrabocry Material : Copper ModelNumber : LED Matrix NumberOfItems : 4 NumberOfLightSources : 256 PartNumber : DM43B04 PowerSourceType : Corded Electric ProductDescription : Product Description: IC: WS2815 voltage: DC 12V FPCB colors: black Light source: SMD 5050 RGB Beam Angle: 120 ° LED Quantity: 16*16 8*32 256 Pixels/8*8 64Pixels Power: 64LEDs 19.2W/ 256LEDs 75W Emitting Color: Full color (24-bit) Gray level: 64/256 Plate: soft copper Waterproof: IP30 non- waterproof Working temperature:-20°C~40°C Connector:4PIN connector terminal pair (Red: 12V power , green: Date line, Blue: standby date line,Black: GND)