PRECISE TTL METERING - Ensures optimal exposure in every shot with automatic TTL functionality, seamlessly integrating with your Nikon camera for accurate and consistent results. RAPID RECYCLE TIME - Minimizes downtime with a quick ~3-second recycle time at full power, allowing you to capture more shots without missing crucial moments. ULTRA-PORTABLE DESIGN - Compact dimensions of 57x40x22mm and a lightweight build of just 34g make it easy to carry, perfect for on-the-go photographers needing a flash. RELIABLE POWER OUTPUT - Delivers a guide number of approximately GN12 @ ISO 100, providing sufficient light for various shooting scenarios, enhancing image clarity.