About the product 1. Support master TTL flash - Support exposure compensation, FEB, rear-curtain sync, FE lock, modeling light, Canon camera menu accessible. 2. Ring Type Double Lamp Macro Flash - Support flash ratio, and the flash tube A and B can be adjusted together or individually, which can create shadow on the subject to make the photo with engraving effect. 3. Large-size LCD Display - Equipped with large-size LCD display, the flashing function can be checked and set more clearly and visually, which will be more convenient for use. 4. LED AF Assist Light - High brightness LED focus assist light to allow focus more easily. 5. Equipped with PC Sync Interface - YN-14EX is equipped with standard PC synchronous interface which allows you convenient to use synchronous flash by using PC synchronous line. 6. Support the Lens of Multiple Filter Size - Support the lens of the following filter size : 52mm 58mm 67mm 72mm 7. Sound Prompt System - When the sound prompt system is enabled, different sound modes will prompt different working conditions of the speedlite so as to allow you to focus on shooting process (Note: the sound can be turned off). 8. High Speed Recycling System - The recycling time for full output just takes 3 seconds; you can get high speed current-return experience even without using brand new batteries, which will only takes 4-5 seconds. 9. Provided with External Power Socket - YN-14EX is provided with external power socket to meet your higher demand of recycling time and no longer missing the wonderful moments. 10. Automatic Settings Saving - YN-14EX can automatically save your current operating settings to convenient your next use.