Godox AD360II-C 360W HSS 1/8000s 2.4G Wireless TTL Flash Speedlite for Canon EOS DSLR Camera 360W/s, GN80(m ISO 100, with AD-S2 Standard Reflector), 22 steps of power adjustment (1/1 to 1/128) offer better lights effects Master & slave function, works as a master or slave unit for various studio photography photo shooting, Compatible wireless TTL system, fully support Canon EOS E-TTL II system, Nikon i-TTL system Stable color temperature at 5600200K, built in 3.5mm Sync Cord jack and PC sync socket to achieve multiple triggering methods. Large and Clear Dot-Matrix LCD Panel offers convenient Operation Bulit in godox 2.4G wireless X System to achieve TTL control functions or use a Godox 2.4G wireless flash trigger transmitter to wirelessly control, Wirelessly adjust flash's power levels, focus assist lamp, sound beep, as well as triggering the flash Slave Unit: a. Canon EOS DSLR Camera, E-TTL II Autoflash, b. Godox 2.4G TTL Wireless Trigger Transmitter X1C-T; Master Unit: Godox TT685C/TT685N, AD3600II-C/AD360II-N, or other Flash Light with built in 2.4G Wireless X1 system