It has WS2811 chip inside so you need to use a programable controller to control it. It can be compatible with Arduino, Raspberry Pi, T1000S, K1000C programmable SPI controllers. It can also be controlled by ALT-C01, SP105E Bluetooth controllers, SP107E music controller, SP108E WiFi controller, SP602E, SP608E multi-channels Bluetooth controllers and any other WS2811 SPI controllers. Able to individually change their colour, can all be different colours; - Application: Channel Letters, Advertisement Signs, Commercial Sign, Message Display, Product Effect Display Specifications: IP Grade: IP68 Waterproof Required Voltage: DC12V, 0.3W/leds Required Aperture Diameter : 12mm Light Source: F8 RGB with built-in WS2811 IC Color: 24-bit full color, 256 Gray levels.
12MM Diameter, 8CM between Each Pixel; Package content: 50pcs(1string)ws2811 full color pixel module.