The mini knob with scale is an ideal solution for controlling the brightness of your indoor grow lights. This switch is designed for easy installation and use, featuring a long wire for flexible placement. Simply connect the to your plant , and use the rotary knob to adjust the light intensity to your desired level, ensuring optimal growth conditions for your plants. Features -Color:Black -Material:ABS -Size:3.80X2.60X1.60cm/1.49X1.02X0.63in -Mini knob design: the mini knob design allows for easy adjustment of light brightness, making it easy to use and convenient for various settings -Precision scale: equipped with a precision scale, this enables accurate light brightness adjustments, ensuring optimal lighting conditions -Compatibility: compatible with dimmers, this product offers strong compatibility with a wide range of lighting systems -Plantspecific design: specially designed for plant lights, it provides the lighting environment for plant growth and health -Versatile use: simple to use, this is suitable for home, office, and other indoor environments, enhancing lighting control Package list: 1 Knob