A portable, robust, and reliable flash for off-camera use, equipped for your next adventure. Add the versatility of an off-camera flash with light shaping options. Similar in size and weight to a 70-200mm lens, the ONE is ready to travel with you anywhere. It can produce 725 full-power flashes on a single charge, making it ideal for longer shoots. The sealed Li-Ion battery provides enhanced protection against the elements on location. With Active Charging, the ONE can be connected to any power source and continue taking shots while charging, regardless of the battery's charge level, ensuring your workflow remains uninterrupted. With a touchscreen and a quick menu interface, you have easy access to the ONE's settings, ensuring you don't miss a moment.