GL-MT6000 Flint 2 Power cable DC extension

Hello everyone,

I’m looking for power cable DC extension. Please let me know what size plug and socket I need for Flint 2?

https://www.aliexpress.com/item/1005003136018649.html
https://www.amazon.com/Extension-Security-Surveillance-Wireless-Standalone/dp/B07VQDJ5TX