Sony Sony HVL-F45RM Compact, Radio-Controlled Gn 45 Camera Flash with 1" Display, Black

Powerful, compact flash with a maximum lighting output up to GN45 has radio wireless communication that supports multi-flash photography and professional shooting. The HVL-F45RM ensures sufficient illumination even with bounce lighting or high-speed-sync (HSS) and the radio capabilities allow it to be used as a transmitter or a receiver at up to 98 (approx.) feet with up to 15 units in up to 5 groups, making it an ideal fit for creative lighting with multiple flashes. Flash Duration (Approx.) Within 1.7 ms (1/1 MANUAL)