SEAMLESS COMPATIBILITY - Designed specifically for Nikon cameras, ensuring full TTL functionality and integrated R2 radio system for reliable communication. RAPID RECYCLE TIME - Achieve continuous shooting with an approximate 1.5-second recycle time, indicated by a green LED for optimal readiness. VERSATILE FLASH MODES - Offers comprehensive control with TTL, Manual, and Remote TTL (Master or Slave) flash modes, including HSS for diverse lighting scenarios. EXTENDED COVERAGE - Features a 28-105mm zoom range, allowing precise light distribution to match various focal lengths and photographic needs.