Features: 100% brand new and high quality. Special design and unique style. 0 ~ 100% brightness adjustable Easy to install and simple to use Adjust the light softly and stably, without flicker. PWM digital dimming, avoid surge current, protect your LED lights Mainly used to adjust single color LED lights and LED Strip. Constant voltage and constant current output can be connected with amplifier to extend its load. Applications: You can easily adjust the brightness of your LED lights / LED Strip with this dimmer. LED Dimmer is a controller that can adjust brightness infinitely, its control mode is knob-controlled, you can adjust the light to the appropriate brightness according to your actual needs, perfect tools for most lighting purposes. Specification: Type: DC 12V-24 30A Dimmer Color: Black (as the picture shows) Quantity: 1 Pc Size (LxW): Approx. 85mmx66mm / 3.3inx2.6in Material: Metal Package Included: 1Pc 30A Dimmer Note: 1. Please allow 0.1-0.3cm differences due to manual measurement, thank you. 2. Please understand because of the light irradiation or computer screen difference, so I cannot guarantee photos and real color is 100% the same.