Compact, reliable, and quiet, these units are used by demanding professionals. Control light without scrims, diffusion, or other tedious methods. Indispensable when you need a light level in-between or more control over the lamps. Great for obtaining dimming effects without a bulky lighting dimmer panel. There is no minimum load necessary for proper operation. Standard configuration features 2 parallel Interface Input connectors and can be DIRECTLY SWITCHED by other Magic Gadgets such as Flicker 2 Digital, Flicker 3D, Practical Switcher, etc. Second connector goes to next dimmer in daisy chain configuration. All units have strap handles to help protect controls and for hanging from light stands, lighting grid, etc., graduated output level control, tactile feedback on-off pushbuttons, output and ground integrity indicators, u-ground ac connectors and standard BLF type fuse on 2K model.Dimensions: 2x3.5x4"