The Profoto Pro 2 Ringlight has a 200 watt modeling light (10x20 watts), is fan-cooled, and has an ozone-free High Power Quartz Flash Tube capable of handling 2400 watt/seconds. It is compatible with all previous ProRing accessories. This Ringlight is compatible with all AC powered Pro-7 Series power packs (available separately).
Interior diameter of 4 inches (100mm) makes it compatible with almost any lens available.
When powered by a Pro-7 2400 watt/second power pack, F/stop range varies with reflector in use, from f/45.4 with the (optional) Softlight Reflector, to f/22 with the Wide Soft Reflector with diffuser.