Remote Strobe Firing The Godox XT-16 enables remote triggering and power control on Godox X series equipped strobes. If your godox strobe has a built in receiver then no external receiver is necessary. No worries if you have an older strobe. We include the XTR-16 for free which plugs into the trigger port. Works With Any Camera The XT-16 is not camera specific. This means it will work on any camera with a standard hotshoe. Features Control power levels, recycling beep, modelling lamp and triggering on multiple strobes from the same controller. AA Batteries Two AA batteries and you're ready to rock. Specifications Transmit Frequency: 2.4 GHz wireless remote system Workable Range: 50m/164ft (open areas) Channels: 16Groups: A-F Max Sync Speed: 1/250s Transmit Power Supply: 3V (2 x AA batteries) Receiver Power Supply: 5V (powered by flashes) Receiver sold separately. Includes 1 x Godox XT-16 Controller 1 x Godox XTR-16 Receiver