TRIOPO Oubao TTR300W 60x90cm Studio Softbox + 2.8m Tripod Mount + 3 x Light Bulb Photography Lighting Three Piece Set 1. Flash adjustment: Promise (digital display) 2. Recycle time: 1.2S 3. Flash power: 300W 4. Duration: full light 1200 one second to 2400 one second 5. Synchronization time: 1 second to 2000 one second 6. Flash energy: 300WS 7. Guide number: 48 8. Insurance tube: 5A 9. Modeling bulb power: 150W 10. Aperture: F14 11. Shutter: 1160 12. ISO Sensitivity: 100 13. Lighting method: lighting with two lights, one soft box on the left and one on the left, and fill light on both sides at the same time 14. Shipping list: flash x3, 2.8m light stand x2, modeling bulb x3, medium ceiling light stand (sub-factory) x1, power cord x3, soft box x3. 15. The softbox lighting kit is very suitable for use in the studio. It can produce excellent lighting effects and is ideal for photography enthusiasts, novices, semi-professional and professional photographers. Suitable for studio portrait shooting, portrait shooting, fashion photo shooting, children photo shooting or still life shooting, etc. 16. The bracket can be folded, and assembly and disassembly are very simple. It is convenient for you to carry it when you go out for entertainment or work. Note: The flash is only used for single power SLR cameras, card digital cameras do not support.