4-Channel Dimmer Controller is a multi-function unit with a 4-Channel dimming console and dimmer pack all inone! 4 individual channel sliders and master dimmer. 42 pre-programmed chase patterns: chases via speed setting or audio Chase tap-sync button Momentary full-on and channel flash buttons Stand-by(blackout)button 8 outlets on the rear panel (2 per channel) Max load: 7 amp/channel, 15 amp totalDimensions: 19̨W x 5.25̨H