Item: RGB LED controller for LED strip
Button: 3 buttons to control on, off, color, brightness, flash mode and flash speed
Working voltage: DC 5 - 24 volt
Dimensions: 42*12*3 mm, approximately 1.70*0.50*0.15 inch
Lead wires: 8 cm, approximately 3 inch, red wire positive
Cylindrical connector: OD 5.5 mm, ID 2.1 mm, center positive