The 553952 is the LoCaster A2 LED AC Double Kit. The best kit for your application depends on your production needs and artistic preferences. Ideally the kit should offer flexibility to work in many different situations. You will want to consider fixture types, total wattage and the size and weight of the kit. If you need softer lighting you should look carefully at the kits containing Chimera Softbanks. The first step is to determine what light source best suits your needs.