PRECISE TTL METERING - Ensures optimal exposure in every shot with advanced TTL capabilities, seamlessly integrating with your Sony camera for accurate and reliable flash output. RAPID RECYCLE TIME - Minimizes downtime with a quick ~3-second recycle time at full power, allowing you to capture more moments without missing crucial shots. ULTRA-PORTABLE DESIGN - Experience unparalleled convenience with its compact dimensions (57x40x22mm) and lightweight build (34g), making it perfect for on-the-go photography. VERSATILE POWER OUTPUT - Delivers a guide number of approximately GN12 @ ISO 100, providing ample power for various shooting scenarios, from portraits to event photography.