RELIABLE TRIGGERING - Ensures consistent flash firing with 2.4 GHz radio frequency, minimizing misfires for professional results every time, up to 300-400' range. EXTENDED RANGE - Confidently shoot from greater distances, up to 300-400', offering flexibility in various shooting environments and creative compositions. MULTI-CHANNEL CONTROL - Operate seamlessly with 8 channels, preventing interference from other devices and allowing multiple photographers to work in proximity. TTL SUPPORT - Achieve perfect exposures effortlessly with TTL metering, automatically adjusting flash power for balanced and natural-looking illumination in every shot.