RELIABLE TRIGGERING - Ensures consistent flash firing with a robust 433 MHz radio frequency, minimizing misfires and providing dependable performance for critical shots up to 328 feet. EXTENDED RANGE - Capture stunning images from afar with a generous 328' (100m) range, offering freedom and flexibility in diverse shooting environments, perfect for remote setups. FULL TTL SUPPORT - Seamlessly integrates with Canon's E-TTL system, enabling automatic flash exposure for balanced and professional-looking results, simplifying complex lighting scenarios. HIGH-SPEED SYNC - Overcome ambient light with sync speeds up to 1/8000 sec, allowing you to use wider apertures in bright conditions and freeze motion effectively for creative shots.