We sealed all the components in a housing with silicone, making its waterproof grade reach IP68. 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. Features: - 32-65536 Gray, Support software Gamma correction. Support point, line, surface, rules and special-shaped handle. Single-port output, can support 2048 pixels. Multiple controllers can be cascaded together and work synchronous, play back content stored in the SD card. Compatible with single line or double line chips. NOTE: When T1000S controller load less than 512 pixels the frame rate can reach 30fps. When T-1000s control more than 512 pixels the frame rate will slow down automatically. Description: Memory card: type:SD card Capacity:128MB-2GB Store file. Led Physical parameters: Working temperature :-30-85degree celsius Working voltage:DC5V / DC7.5-24V Working power:2W. This item is in the category "Home, Furniture & DIY\Lighting\Fairy Lights". The seller is "vill26-8" and is located in this country: GB. This item can be shipped to United Kingdom.