Format light area: 30 x 40 cm (12" x 16") Flash energy: Max. 1600 J Number of flashes: To protect against overheating, a cooling-off period of approx. 20 minutes must be observed after a maximum of 40 flashes 1600 J Modelling light switch: Switch on the rear wall of the housing Compatibility: Power packs Grafit 2, 4, A2, A4, A2 RFS, A4 RFS, A8 RFS, A2 plus, A4 plus, Topas A2, A4, A8, Nano 2, Mobil, Primo, Primo A, Primo A fashion, Primo 4, Pulso 2, A2, 4, A4, Pulso G, Opus 2, A2, A4, A8