Feature: 1. Portable and Convenient: The YN730 camera flash is designed for on the go photographers. With its built in Type C charging port, you can easily charge the flash using a power bank. The 2000mAh lithium battery provides a high capacity, allowing for up to 600 full power flashes. 2. Enhanced Safety and Longevity: The flash comes with a built in battery protection circuit, ensuring safe and reliable use. It protects against overcharging, short circuits, and overheating, extending the lifespan of the flash. 3. High Power and Fast Recycling: With a guide number of GN60 at ISO100, 200mm, the YN730 delivers powerful and consistent lighting. Its quick recycling time of just 1 second ensures that you never miss a moment, capturing every detail with precision. 4. Wireless Control and Compatibility: The YN730 supports 2.4G wireless radio triggering, making it compatible with a range of flash models. It can be controlled wirelessly up to 100 meters away, allowing for flexible and convenient lighting setups. With 16 channels and 6 groups, you have full control over multiple flashes. 5. Firmware Upgradeable: Stay up to date with the latest features and improvements by easily upgrading the flash's firmware. The Type C USB interface enables you to download and install firmware updates from for official website. 6. Convenient Function: The YN730 flash includes a visual battery level indicator, providing real time information about the remaining battery power. Additionally, it supports electric zoom, allowing you to adjust the flash coverage between 20mm and 200mm for versatile lighting options. Specification: Model: YN730 Circuit Design: lnsulated Gate Bipolar Translator Guide Number: GN60 (ISO 100, 200mm) Flash Mode: M, Multi Trigger Mode: set top, radio master, radio slave, wireless optical slave (S1, S2) Lamp Head Zoom Range: 20, 24, 28, 35, 50, 70, 80, 105, 135, 200mm Rotation Angle: -7°-90°(up and down)/180°(left and right) Power Supply: 1 x LB-E1 battery Battery: 3.7V/ 2000mAh Luminescence Frequency: 600 times (using LB-E1 batteries) Recycle Time: about 1s Color Temperature: 5600K Flash Time: 1/200 second - 1 /20000 second Flash Control: 8 levels of brightness control (1/128-1 /1), a total of 29 levels of fine adjustment External Interface: Hot shoe, USB interface Radio Transmission Trigger Distance: Up to 100 meters Optical Transmission Trigger Distance: 20-25 meters(Indoor)/ 10-15 meters(Outdoor) Dimensions: 64 x 80 x 205mm/ 2.5 x 3.14 x 8.07 Weight: 417g/ 14.7o. Package List: 1 x Flash 1 x Stand 1 x Storage Bag 1 x Battery 1 x Connection Cable 1 x Users Manual(English)