High-output Guide Number for compact mirrorless cameras (GN60)1 Per-frame P-TTL flash control instantly adapts to changing light Up to 200 frames4 in high-speed bursts at up to 10 fps2 240 flashes with fast recycle time of 1.7 second3 White balance and flash control linked to camera face detection2 Light output optimized for focal length (14mm w/ wide panel to 200mm) Conveniently controllable from compatible camera2 body menu Quick Shift Bounce for horizontal and vertical camera bounce positions High Speed Sync, Rear-Sync, Slow-sync, and Multi-flash settings Operates as on-camera flash, radio wireless commander or receiver Stable ratio wireless communication up to 98.4 ft (30m )7 Wirelessly control up to 15 flash units in up to 5 groups9 Resistance to overheating for continuous performance Durable dust and moisture resistant design8 Metal MI foot and side frame protects shoe connection Memory and MR settings to access frequently used settings Optional FA-EBA1 battery adapter provides 0.6 sec.3 recycle time