For stage lighting, we mainly involve the stage moving head beam light source, including the the bulb that now popular on the  market: 2r (132w), 5r (200w), 7r (230w), 10r (280w), 15r (300w), 16r (330w), 20 r (440w), fit for all the beam light for all big brand. Our beam light source at a reasonable price and excellent quality, received widespread praise and trust of customers.1112