Check the listing for details. Godox RT-04 Studio Flash Trigger. Color: Black, Condition: Used. Listed at 7.99 USD. Godox RT-04 4 Channel Trigger Receiver for Wireless Studio Flash trigger For Most Of the Godox Strobe Flash systems Technical Data: Channels: 4 Receiver frequency: 433MHz wireless Power: Batteries 3V, 2*AAA (not included) Outdoor operation distance: about 30m Indoor operation distance: about 20m Synchronizing speed: 1/200 sec We are experienced sellers on eBay since 1999. Please check our feedback and eBay rating 1) We will only ship your item to the eBay/PayPal confirmed address that is registered to your eBay/PayPal account. 2) Item is sold as described. Look at the pictures carefully, if its not in the pictures then it is probably NOT included. 3) We do want our customers to be happy. If there is a problem, contact us and we will work it out. Please, let us help with your concerns before contacting eBay or leaving feedback. 4) Returns: Books cannot be returned. Other than books, returns only by approved request, restocking fee may apply. 5) We gladly combine shipping on multiple orders and we will refund the excess postage. 6) We also accept payments through PayPal. 7) serial number of item has been documented or item has been marked. 8) Returns accepted with prior approval. Restocking fee may apply. Thanks for looking! Please visit Cyberquipment.com OR EdgarDigital.com to reach out and learn about our eBay sales and policies, more about us, and see many more interesting & odd items ★ª"˜¨¨★ª"˜¨¨¯¯¨¨˜ª¤.¸`*•.¸*•¸★☆☆★☆Five Stars☆★☆☆★¸•*¸.•*´¸.¤ª˜¨¨¯¯¨¨˜"ª★¨¨˜"ª★ Location: EB1 Box 4