X1N is compatible with Nikon DSLRs which support i-TTL. GODOX 2.4GHz wireless system consists of two parts: Godox X1T-NTransmitter mounted on camera that controls remote flashes and Godox X1R-N receiver attached to flash unit. Godox Transmitter X1T-N serves two purposes: 1. set up the remote flash units, selecting flash mode & flash power 2. trigger the remote slave flashes through wireless communication Godox units controlled directly include Godox speedlites and strobes with godox X system Godox X1R-N receiver easily integrates the Nikon speedlight fully into the Goodx system supporting remote manual, TTL, and high speed sync (HSS) flash mode by connecting a Godox X1R-N receiver to a Nikon speedlight Godox X1-N features Godox 2.4GHz RF Radio System with Range – 100m + Flash Modes – iTTL / M / OFF HSS to 1/8000th First / Second Curtain Sync FEC / FEB – 1/3rd Increments (±3 Stops) FEL (Flash Exposure Lock) Manual Flash – 1/128 – 1/1 Output (1/3rd Increments) Remote Flash Zoom GR Group Mode – A / B / C / D / E          32 Channels Ratio Group Mode – A / B / C Large LCD Display with Back Light HSS Delay Setting – 0~19.9ms, (100us Increments) Modeling flash Auto Memory Function AF Assist light (With an On/Off Switch) Wireless Shutter Release Micro USB Port for Firmware Upgrades Transmitter PC Sync Port – Input & Output Receiver 2.5mm Sync and Shutter Release Port – Output Package includes : 1 x Godox X1 T N Trigger( transmitter) 1 x Godox X1 R N Reciever 1 x Sync Cable