Features: Supports master TTL flash Supports Exposure Compensation, FEB, Rear-curtain sync, FE lock, Modeling Light, Canon camera menu accessible. Ring type double lamp macro flash Supports flash ratio, and the flash tube A and B can adjusted together or individually, which can creates shadow on the subject to make the photo with engraving effect. Large-sized 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 to use. LED AF assist light High brightness LED focus assist light to allow focus more easily. 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. Support the Lens of multiple filter size Supports the lens of the following filter size : 52mm, 58mm, 67mm, 72mm. 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). 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. 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. Automatic settings saving YN-14EX can automatically save your current operating settings to convenient your next use. Specifications: Power by: 4 * AA batteries or external power(Not included) Color: Black Item weight: 417g/ 14.7oz Package size: 19 * 15 * 12.5cm/ 7.5 * 5.9 * 4.9in Package weight: 758g/ 1.67Lb Package list: 1 * YN-14EX Macro Ring Flash Light 4 * Adapter Rings ( 52mm, 58mm, 67mm, 72mm ) 1 * Protection Bag 1 * Manual