From Manufacturer
The Battery-Powered Strobe with Trigger and Two Batteries from Neewer is suitable for use in the studio and on the road, whether shooting fast-moving objects or in different lighting environments. This bundle includes the 300W monolight with a CR2 3V battery for the an included wireless trigger that operates from up to 49' away. This monolight runs on a rechargeable lithium-ion battery with 7800mAh capacity, allowing you to fire the strobe up to 700 times at full power before needing to recharge. This version of the Vision4 includes an extra battery for longer shooting. Output can be adjusted manually and goes from full power to 1/64 power, giving you a 6-stop exposure range to work with. Also, a multi mode enables programmable sequential firing of up to 15 flashes in a row.
The Vision4 features flash durations ranging from 1/1000 to 1/10,000 second and a color temperature of 5600K, which can vary 200K up or down depending on your settings. Recycling times between 0.4 and 2.5 seconds allow for quick shooting when you need it, while a 13W LED modeling lamp can be used for careful composition. The light accepts a wide variety of optional accessories thanks to its Bowens adapter and dedicated hole for a separately available umbrella. Finally, a 3.5mm sync cord is also included with the product in case you want a wired connection.