RELIABLE TRIGGERING - Ensures consistent flash firing with a robust 433 MHz radio frequency, minimizing misfires and providing dependable performance for critical shots. EXTENDED RANGE - Offers a generous 328' (100m) range, granting freedom to position flashes creatively without signal loss, perfect for dynamic shooting environments. FULL TTL COMPATIBILITY - Supports Sony E-TTL for automatic flash exposure, simplifying complex lighting setups and delivering accurate, balanced results effortlessly. HIGH-SPEED SYNC (HSS) - Overcome bright conditions with sync speeds up to 1/8000 sec, allowing wider apertures for shallow depth of field even in sunlight.