YONGNUO YN685 is designed for Nikon DSLR Camera, high guide number of GN60, HSS of 1/8000s. Fully compatible with YN622N and RF603 wireless flash system, it can receive the triggering signal from YN622N, YN622N II, YN622N-TX,YN660,YBN560IV,YN560-TX,RF605,RF603II and RF603.Features:Fully compatible with YN622N and RF603 wireless flash system:YN685 can receive the triggering signal from YN622N, YN622N II, YN622N-TX,YN660,YBN560IV,YN560-TX,RF605,RF603II and RF603.Support remote control the parameters of each flash group: When YN685 used as slave unit, it supports remote control of the flash mode, flash output and focal length of each flash group through YN622N series transceiver or YN660/YN560IV/YN560-TX.Can be used as YN622N II control panel and LCD panel: YN685 can be set to 622 EXT.LCD trigger mode and then installed on the YN622N acting as the control panel and LCD panel.Support high speed sync, maximum sync speed can reach 1/8000s.2.4G wireless speedlite, high guide number of GN60, support TTL/M/MULTI mode.YN658 supports numeric theme and classic theme, better to meet you needs.Ultra-fast charging recycle system, take about 2s at full output.Support auto and manual zooming, the flash coverage can be changed between 20-200mm.Support firmware upgrade, sound prompt and external power supply.Specifications:Circuit Design: IGBTGuide Number: GN60(ISO100,200mm)Flash Mode: i-TTL/M/MultiTrigger Mode: On-camera/ 622 Ext.LCD/622R.SLAVE/622.M.SLAVE/603 SLAVEZoom Range: Auto, 20,24,28,35,50,70,85,105,135,200mmVertical Rotation Angle: -7-90Horizontal Rotation Angle: 0-360Power Supply: 4 * AA(Not included)Lighting Times: 100-1500 timesRecycle Time: Approx 2 secondsColor Temperature: 5600KFlash Time: 1/200s-1/20000sFlash Control: 8 levels of output control(1/128-1/1), total of 29 levels of fine tuningExternal Interface: External power interface, PC port, hot shoeWireless Trigger Distance: 100mAdditional function: High-speed sync, second-curtain sync, FEC, FEB, FEV, the electronic flash head zooming, sound prompt, automatically saving setting, power saving mode, overheat protection, custom function settingItem Size: 21 * 7.7 * 5cm / 8.3 * 3.0 * 2.0inItem Weight: 430g / 15.2ozPackage Size: 22 * 10 * 9.5cm / 8.7 * 3.9 * 3.7inPackage Weight: 620g / 21.9ozNote:The battery is not included.Package List:1 * Speedlite1 * Mini Plate1 * Carrying Bag1 * User Manual(English)