AXFEE USB C Extension Cable 2M 100W PD 5A QC 3.0, USB C Male to Female Extension Cable USB C 3.2 Gen 2 20Gbps 4K@60Hz USB C Nylon Braided Extension Cable Compatible with Macbook Pro Galaxy S22 S21 S10

The E321 uses a regular USB-C connector and it should be possible to obtain an extension cord on Amazon or ebay. https://reolink.com/product/e321/ For example on Amazon UK I think this would work https://www.amazon.co.uk/AXFEE-Extension-Extender-Transfer-MacBook/dp/B0DDY62YDM?th=1 It depends on how much of a longer lead you are looking for.