YONGNUO YN-14EX TTL Macro Ring Flash Speedlite for Canon EOS DSLR 5D Mark Main-Smart Phones you need to press the

you need to press the mode button for 3 seconds

Steel plate thickness: 2 mm solid steel plate

The rubber feet prevent the tripod from sliding on smooth surfaces and are removable

2) Attenuation: 0

YONGNUO YN-14EX TTL Macro Ring Flash Speedlite for Canon EOS DSLR 5D Mark Main-Smart Phones you need to press theAbout 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