Mcoplus MCO-320N TTL Master HSS Mini Flash Speedlite for Nikon DSLR Camera High Guide No.32(ISO 100, 105mm), Supports Manual, TTL, HSS, Master functions Metal hot shoe Support synchronization of front and rear curtains Power Supply: 2 AA alkaline batteries or AA NI-MH battery Light Sensing Distance: Indoor 15m, outdoor 10m Compatible with Nikon j1 J2 J3 D750 D550 D810 D610 D7100 D7200 D5300 D5100 D5200 D5000 D3300 D3200 D3100 DSLR Camera