Godox RT-16 Studio Flash Trigger This wireless trigger is a control discriminator that allows the camera to trigger the hot foot flash device synchronously High speed and 1/200 seconds synchronization Radio frequency: 433MHZ (and the former cannot be universal) Outdoor working measaf (open area): 20-30 meters

indoor working distance: 20 meters. Specifications: Wireless flash trigger 16 channels selectable Power input of the transmitter: 23a 12V battery (included) Power input of the receiver: 2 AAA batteries. The life of the trigger battery is one year or 20,000 stable triggers. Receiver's plug size: 3.5mm. Adapter size of receiver plug: 3.5mm -- > 6.35mm. PC synchronous cable included. Radio operating frequency: 433MHz. How to use: Make sure that the channel selection of the receiver and the transmitter are in the same position. Plug the receiver's trigger output plug into the flash jack. Press the test button of the transmitter. The studio light flash fires. Plug the transmitter's hot foot socket into the machine's hot foot jack (if your machine doesn't have a hot foot, plug in a PC sync cable). You're ready to start shooting (you can use the 3.5mm sync cable for cameras that don't have a hot foot or are busy). Box Includes: 1 x Hot foot socket 1 x Receiver 1 x PC sync cable 1 x 3.5mm - 6.35mm plug adapter