<ul><li>Zero-crossing technology for avoiding<br>disturbance and enhancing dimming preciseness</li><li>8 channel chaser controller</li><li>Speed control fast &amp; slow function</li><li>Speed control sound to light</li><li>Voltage : 220V</li><li>3000W output per channel</li><li>15 chaser program</li><li>Many patern changes<br></li></ul>