Support the 2 camera batteries which sizes are less than 57*40*21 mm(2.2*1.6*0.8 in).Can storage 2 CF cards+4 SD cards+8 TF(MSD) cards at the same time.Suites battery models: LP-E6 /LP-E8 /LP-E10 /LP-E12 /LP-E17 /NP-FW50 /NP-W126 /NP-BX1 /EN-EL14 /EN-EL15 /CGA-S005E /NB-11LHigh str..