*Guide number:60m
*Available flash mode:I-TTL Manual flash,Repeating flash,S1/S2,
*Flash shooting distance range:0.6m-16m
*Camera's sync modes: Auto FP high-speed sync,slow-sync,front-curtain sync,rear-curtain sync
*Multiple flash operation: Advanced wireless lighting
*Optical transmission and multiple flash:Master mode + Slave mode
*Custom setting:5 items
*Recycle time:Approx 3s
*Color temperature:5600K
*Flash duration:1/200s - 1/20000s
*Size:11*9*21cm
*Weight:650g
*Power source: 4*AA Alkaline batteries or AA NI-MH batteries