Flashpoint R2 i-TTL 2.4G Wireless Receiver for Nikon Flashes (X1R-N) Flashpoint R2 iTTL Receiver for Nikon - 2 Nikon camera cables - 2.5mm Sync cord - Sync 1/4" Adapter plug - Instruction Manual Flashpoint R2 2.4GHz Radio System unifies and simplifies Great reception range beyond 330 ft / 100m High Speed Sync to 1/8000th Group Selection - A / B / C / D / E (5 Groups)