IDX DC Power Cable for ST-7R to Sony HXR-NX5/HVR-Z7 Cable for supplying power from ST-7R to Sony HXR-NX5, HVR-Z7, etc. Tech Specs: For use with: PROTECH ST-7R/7RS Compatible Camera: Sony HXR-NX5, HVR-Z7 Connector Type: Mini 4P Output Voltage: DC 8.4V Cable Length: 20 inches