1,KD320 28(ISO100,)KD3200 flash light guide no.28(ISO100M) 2,5600K color ... best quality Product function 1,KD320 28(ISO100,).KD3200 flash light guide no.28(ISO 100,M)2,5600K ... number 28(ISO100m) recycling time: 5s manual full light outputchoose the aperture range from automatic shelves:blue/F8 aperture ... 1-7m/3-23ft(ISO 100M)flash time : appro:400 manual full light outputbounce ability:tilt 0°,30°,45 ...