Enhance your indoor gardening experience with the mini knob with scale. This dimmable LED driver knob allows you to precisely control the light output of your grow lights, promoting healthier plant growth. The wire length provides ample reach for convenient installation. To use, connect the to your lighting setup and rotate the knob to achieve the lighting conditions for your plants. Features -Color:Black -Material:ABS -Size:3.80X2.60X1.60cm/1.49X1.02X0.63in -Compact and convenient: the mini knob design makes it compact and convenient, allowing for seamless integration into any lighting setup -Accurate light control: with its precision scale, users can achieve accurate control over light brightness, for creating the desired ambiance -Wide compatibility: this is compatible with systems, ensuring it works with a variety of lighting setups without any issues - for plants: designed specifically for plant lights, it ensures plants receive the optimal amount of light for healthy growth -Easy to use: easy to install and use, this is ideal for various indoor settings, providing an easy lighting solution Package list: 4 Knob