Features: -Compatible wireless HSS system: support Nikon i-TTL in Cononmark 2.4G wireless ABC system. Workable as Slave unit in a wireless flash group. -Clean LCD panel: with clean and convenient operation. -Build-in Cononmark 2.4G wireless transmission: with all-in-one functions and 50 meters further transmission. -Studio quality light: up to 600W, GN46 (m ISO 100, with 48° reflector.