... board with dimming rang 0%-100% thru a potentiometer knob, a tact switch or a 0-10Vdc ... special requirements. LED can be dimmed with a potentiometer knob, a tact switch or a DC0-10V ... driver board, linearly dimming 0%-100% thru a potentiometer 1) Wide input voltage 3.6-36VDC (3- ... 1500mA,2000mA,3000mA true constant current output3) External potentiometer linearly dimming 0%-100% or with a PWM dimmer ...