The Interfit TTL HSS Remote Flash Trigger for Nikon cameras is triggering device powered by X2 AAA batteries. It features TTL functionality and connects via a hot shoe to trigger off-camera flashes. This unit is compatible with Canon cameras and Interfit brand flashes and is designed to provide high-speed sync capabilities for precise lighting control. The trigger is in good condition. Please note it works with Nikon camera all functions. Will work with Canon, but not using the High Speed Sync (HSS) function. Batteries and original packaging isn’t included.