🏷️ Basic Information Identification Make: JVC Model: GZ-MG21US/GZ-MG31US Year: Not specified Generation: Not specified 📋 Manual Details Manual Information Manual Type: Service Manual Language: English Page Count: Not specified Format: PDF Availability: Download Content Overview Key Sections: Precaution, Specific Service Instructions, Disassembly, Adjustment, Troubleshooting 📄 Camera Specs Recording Recording Media: Hard Disk Drive (HDD) Optical Zoom: Not specified Digital Zoom: Not specified Image Stabilization: Not specified Display Lcd Screen Size: Not specified Connectivity Interface Ports: USB Power Battery Type: Not specified General Product Identifier: GZ-MG21US/GZ-MG31US