The dimmer mini knob with scale is for those looking to optimize their indoor plant lighting. This dimmer switch knob is easy to install and operate, featuring a wire for versatile placement. Connect the dimmer to your LED grow lights and use the rotary switch to fine-tune the light intensity, ensuring your plants receive the right amount of light for optimal growth. Features -Color:Black -Material:ABS -Size:3.80X2.60X1.60cm/1.49X1.02X0.63in -Easy adjustment: the mini knob design allows for easy and intuitive adjustment of light brightness, making it accessible for all users -Precision adjustment: featuring a precision scale, this dimmer allows for finetuned adjustments to achieve the lighting level -High compatibility: compatible with dimmers, it offers high compatibility with different lighting systems, ensuring versatility -Plant light optimization: specifically designed for plant lights, it helps create the lighting conditions for plant growth and development -Simple installation: this dimmer is simple to install and use, making it suitable for various indoor environments such as homes and offices Package list: 5 Dimmer Knob