1. Built-In 2.4GHz X Wireless Radio System: The flash unit has a built-in wireless radio system that operates on the 2.4GHz frequency band, providing reliable and fast communication with other compatible devices. 2. Compatible with Canon E-TTL / E-TTL II: The flash is designed to be compatible with Canon’s E-TTL (Through-The-Lens) and E-TTL II flash metering systems, allowing for seamless integration with Canon cameras. 3. Guide Number: 197′ at ISO 100 and 200mm: The guide number of the flash indicates its effective range at a specific ISO setting (in this case, ISO 100). A higher guide number means the flash has more power and can reach subjects farther away. In this case, the guide number is 197′ at ISO 100 and 200mm. 4. Zoom Range: 20-200mm (14mm with Panel): The flash has a zoom head that can be adjusted to match the focal length of the camera lens, allowing for more precise control over the light output. The zoom range is 20-200mm, and with the included panel, it can also be used at an angle of 14mm. 5. Tilts from -7 to 90°: The flash head can be tilted downwards by up to 7 degrees or upwards by up to 90 degrees, providing flexibility in adjusting the direction of the light. 6. Rotates Left & Right 180°: The flash head can rotate left and right by up to 180 degrees, allowing for more precise control over the direction of the light. 7. Wireless Master/Slave TTL Functionality: The flash can operate as a master unit or a slave unit in a wireless system, allowing for remote control of multiple flashes. 8. Recycle Time: 1.5 Seconds at Full Power: The flash has a relatively fast recycle time of 1.5 seconds when used at full power, making it suitable for high-volume shooting situations. 9. High-Speed, 1st and 2nd Curtain Sync: The flash supports high-speed sync (HSS) and first curtain sync (FCS), which allows for faster shutter speeds and more creative control over the lighting effect. 10. Runs on Rechargeable Li-Ion Battery Pack: The flash unit is powered by a rechargeable lithium-ion battery pack, making it convenient and environmentally friendly.
