The Simple Single rotator is belt driven for quiet operation and powered by a 24VDC, 600 mA AC adaptor. A 1/4" audio jack offers reliable power connection. The rotator has a rugged design for durability and accepts either a "B" size metal or glass gobo. The heavy duty retaining ring holding the gobo in place is made of machined aluminum and is secured in place by two spring clips for easy adjustment and replacement.