Meike mk-300 flash light I-ttl speedlite for canon1) high guide number: 322) recycle time 4 seconds (with 2pc aa alkaline cell) better battery faster recycle.3) flash mode: ttl, m, rpt4) 22 fine adjustable of flash output control5) compatible with I-ttl flash automatically6) power saving mode7) accurate brightness control8) lcd display9) metal hotshoe10) support front curtain synchronous11) support rear-curtain synchronous12) temperature detection automatically (over heating protection)13) memory function

Specification:Circuit design: insulated gate bipolar transistro (igbt)Guide number: 32 meters (iso100, 105mm)Flash mode: I-ttl, m, rptPower supply: 2x aa size batteries (alkaline or ni-mh are useable)Lighting times: 100-1500 times (aa alkaline cell used)Recycle time: approx. 2-4sColor temperature: 5600kFlash time: 1/200s-1/20000sFlash control: 1/128~1/1External interface: hotshoe, mini usbAdditional features: fecSize: 80 x 66 x 62mmNet weight: 145g

Contains:1x mk-300 flash light1x protecting bagUser manual