One unit. Three effects. No daisy-chaining three separate lights and hoping they sync. The magic ball throws 4× 3W RGBW beams, the strobe fires 8× 1W RGBW flashes, and red-plus-green lasers cut through the room. Sound-activated mode locks onto the music so you're not riding a remote all night. Mains-powered – plug it in, hit the remote, done. Laser safety keys lock on or off so nobody's fiddling mid-set. Mounting bracket included if you want it ceiling or truss-mounted. This is the replacement for SL3550 and gives you more coverage per square metre. Add to cart and your next event stops looking like a school hall