SUPERIOR POWER OUTPUT - Delivers a guide number of approximately GN12 @ ISO 100, providing ample illumination for various shooting scenarios, ensuring your subjects are always perfectly lit. INCREDIBLY FAST RECYCLE TIME - Experience minimal downtime with a recycle time of approximately 3 seconds at full power, allowing you to capture every crucial moment without delay. TTL METERING ACCURACY - Achieve perfectly exposed images effortlessly with TTL (Through-The-Lens) metering, automatically adjusting flash output for optimal results with your Canon camera. OPTIMIZED FLASH DURATION - Provides a flash duration tailored for capturing sharp, clear images, freezing motion and minimizing blur in your photographs with every shot taken.