Flashpoint II Model 1820A Monolight, 900 Watt Second Fan Cooled Strobe, 220 volt. Can be Fired with the Sync Cord Attached to the Camera PC Terminal, with a PC Adapter on the Hot Shoe (FAHSPCA) or with the Built in Slave Unit. Rugged Housing Fan Cooled Flash Ready Light Stepless Power Output Control from Full Power down to 1/8 Power