... and speed are adjustable; 4. CE ROHS Product Description:12-key RF controller adopts the advanced micro control unit, it ... on; it has many advantages such as low price, easy connection and simplicity to use. Meanwhile, you could adjust brightness, ... , gradual changing, stroboflash and other effects of change. RF 12 key RGB controllerTechnical Parameters: Working temperature-20-60°CSupply voltageDC5V ...