I purchased this on Mercari, but I'm selling it because I bought a new effects unit. I have confirmed that each mode and DMX operation work. <Product Details> 10W LED Multi-Beam Effect / LED Multi-Beam Effect Invincibled, which projects a vivid space with unwavering light intensity, is a multi-beam effect that uses a 10W high-power LED as its light source. It has a rotating disc inside the main unit, scattering sharp light throughout the space. ● Uses a 10W high-power LED as the main light source. Provides bright light for extended periods thanks to a new cooling system achieved through independent research. Low power consumption, and lamp replacement is basically unnecessary. ● 3 DMX channels: Dimmer & Strobe / Color / Rotation ● 3 operation modes: DMX, Master & Slave, Sound-activated ● Built-in programs optimized for Master & Slave / Sound-activated operation ● [Sold Separately] Using the CA-8 simple controller, you can easily create a light show without a DMX console. ● Equipped with full-range dimmer & variable strobe effects ● Equipped with an IEC connector for power link output The rear DIP switch is for address setting when connecting DMX, and for standalone operation settings when not connected. If you have any questions, please ask in the comments section.