... receiver photosensitive sensors, receiving more sensitive 6. Flash output IGBT control, relieve the pressure of the capacitor, the more precise control flash output power ... : the shape of the bubble power display range 2.0-6.0, 2.0 represents the minimum power value 6.0 represents the maximum power value, the ... + FM, CELL +1, or CELL +2 state must be set 2013 the newest flash light