Good price Led dot light Waterproof 30mm Dmx Led Pixel Light, 

Features  

SC -30-ICRGB 

RGB LED pixel light
Ws2801,WS2811 / UCS1903 / LPD6803 / WS2801 / DMX512
DMX512 control
Milky white round style
SD control SPI
ICRGB 30mm LED pixel light
RGB LED pixel light (DMX compatible ws2801 IC)
SD controller & DMX controller ,DMX decoder
Programable by Software
Individually Control
IP66, Water-proof protection
Easy installation (holder by screw)
20pcs per string 8cm apart of each led

Applications

Meets the general lighting
Environment such as:
Outdoor advertising
Christmas decoration
Night club lighting
Amusement flashing sign 

SC-WS2811-D30-3-12-OPL is a combination of plastic housing and PCB boards and three color flat line (high temperature, cold-resistant UV) from full color 12V bulb-shaped new point sources, including 3PCS5050RGB SMD LED, the product has a high brightness, low energy consumption, long life, low voltage, low attenuation, rich colors and other characteristics. Products can reach the water, chasing, scan results. Depending on the installation, you can change the composition of the characters of different colors, patterns, and other dynamic effects. Wall lighting products are widely used in hotels, KTV entertainment interior, floor, wall lights and other decorative lighting body. 
This product can be cascaded up to 20PCS point source, non-super-series, the power line thickness should be based on the actual maximum current that may occur, the product power, cabling length (recommended no more than 5 m) and low pressure drop depending on the transmission line