A portable solar-powered single-lens 4G CCTV camera offers flexibility when choosing where to install a security monitoring system. Unlike conventional wired cameras that may require extensive electrical connections, this type of camera uses solar energy to support battery charging. Its 4G network connection also provides an option for monitoring locations without nearby WiFi infrastructure. This makes it useful for temporary offices, construction projects, farms, rental properties, and outdoor storage areas. Users can position the camera in a suitable location where the solar panel receives sufficient sunlight and the mobile network has reliable coverage. Its portable design can make relocation and installation more convenient.