Godox 600BM Flash Tube

Key Features 600BM Monolight, Li-Ion Battery Powered Up to 500 Full-Power Flashes per Charge Manual Control of Flash Functions Built-In 2.4 GHz Wireless X System 1/256 to 1/1 Power Control 0.01-2.5 sec Recycling Time Flash Durations: Short as 1/10,000 sec 1/8000 sec High-Speed Sync Optional AD-H1200 Head Gives 1200Ws