Product Introductions: 1. Built with Yongnuo 622 wireless system, support 602C and 603 2. One YN-685 speedlite can receive wireless trigger signals from YN622C, YN622C-TX, YN560 IV, YN560-TX, RF605, RF603 II and RF603 respectively 3. Support remote control over multiple sets of off-camera configuration 4. Remote control flash modes, brightness, focus and sync method of speedlite via YN622C trigger and YN560IV/YN560-TX (only available on YN622C wireless system) 5. 2.4GHz frequency, support TTL, M and Multi modes 6. Support high speed sync function, top sync speed can reach 1/8000 second 7. Ultra speed power system, support external battery pack 8. Electronically controlled focus change of speedlite 9. Support manual and auto focusing, adjustable flash cover area between 20mm to 200mm 10. Support voice prompt, custom function setting and auto save setting 11. LCD screen lets you have a clear view of current working status 12. Standard PC sync connector Product Details: 1. Material: Plastic 2. Dimensions: (13.58 x 10.79 x 9.92)" / (21 x 7.7 x 6.5)cm (L x W x H) 3. Color: Black 4. Weight: 15.45oz / 438g 5. Circuit: Insulated Gate Bipolar Transistor(IGBT) 6. Guide No.: 60(ISO 100,200MM) 7. Flash Mode: ETTL,M,Multi 8. Trigger Mode: Set-top,Wireless Off-camera 9. . Power Supply: 4 x AA Size Battery(Alkaline or NI-MH Battery)(Not Included) 10. Recyle Time: Approx 3s(AA Alkaline Cell Used) 11. Color Temperature: 5600K 12. Wireless Trigger Distance: 100m 13. Model: YN-685 for Canon Package Includes: 1 x Speedlite 1 x Protection Bag 1 x Mini Base 1 x User Manual

• Zoom Range: AUTO,20.24,28,35,50,70,80,105,135,200mm
• Vertical Rolatrion Angle: 7-90 degrees,Horizontal Rolatrion Angle: 0-360 degrees
• Flash Time: 1/200s ~ 1/20000s
• Flash Control: 8 Levels of Control(1/128 ~ 1/1),Total of 29 Levels of Fine Tuning
• External Interfcae: External Power Interface,PC Port,Hot Shoe

Zoom Range: AUTO,20.24,28,35,50,70,80,105,135,200mmYongnuo