Specification: - Brand: Godox - Model: TT600 Universal - Built-in Godox X Receiver - GN 60 (m ISO 100) - Powered by 4 x AA batteries (not included) - Flash Mode M / Multi - Manual Flash 1/128 1/1 Output Control (1/3rd Increments) - Flash Zoom 20 200mm - HSS to 1/8000th (Off Camera Only Requires Suitable Transmitter) - Radio Master and Slave Modes for Godox 2.4GHz X Radio System (Remote Manual Only) - 5 Groups A / B / C / D / E - 32 Channels - Compatible with Godox X1-C and X1-N TTL Transmitter and Receivers - Compatible with Godox XTR-16s Receiver, and XT-16 Transmitter - Compatible with Godox FTR-16s Receivers, and FT-16 and Cells II Transmitters - S1 and S2 Optic Slave Modes - Recycle Time: 0.1 2.6 Seconds - 230 Full Power Flashes (using 2500mAh Ni-MH Batteries) - Full 360 Degree Swivel, and Tilt Head - Large LCD Screen - AF Assist Light (Manual Only) - Metal Foot with Locking Pin (Single Firing Pin) - Sound Prompt - Custom Functions - Settings Memory