This is an RGB PWM modulator (red, green & blue).
• RGB LED module is made of full-color LED with a patch
• RGB trichromatic limiting resistor to prevent burnout
• Primary colors can be mixed in different colors
• Based on the Arduino simple test program
• Operating voltage: 5V
• LED drive mode: common cathode driver
• Size: 20 x 10 x 7mm (Lx Wx H)