Tether Tools CRCE12 Coupler

Tether Tools CRCE12 Coupler Relay Camera Couplers work in tandem with the Case Relay Camera Power System to keep your camera powered continually with an external 5V USB battery pack or wall power. The Relay Coupler is simply an insert for your camera battery cavity that enables powering the camera via Case Relay Camera Power System. The coupler does not contain a battery or hold a charge. How To Attache: Insert Relay Camera Coupler into camera battery cavity. Completely close battery door allowing coupler cable to exit through the rubber trapdoor. Battery door must be completely closed for the Case Relay Camera Power System to properly function.