This is the Case Relay Camera Coupler which takes the place of your camera battery, allowing your camera to be constantly and continuously powered. It works in cooperation with the Case Relay Camera Power System to power your camera from an external battery or wall socket – you can even hot-swap external batteries to shoot for as long as you want. Using the Case Relay Camera Power System and the Rock Solid External Battery Pack, this system can provide up to 10 times more power to your camera. Enjoy more convenient power options by combining this Case Relay Camera Coupler with your Case Relay Camera Power System.
*Requires the seperately sold Tether Tools Case Relay Camera Power System