How to get from Zhuhai to Kaiping, and is it possible to return to Zhuhai on the same day for a visit to the watchtowers?

If convenient, you can drive, which takes about two hours to cover 100-plus kilometers. You can also take a high-speed train, and it takes about the same time. There are two places with watchtowers, and you need to purchase a combination ticket. It will take about half a day, and you can return to Zhuhai on the same day.
If convenient, you can drive there, which takes less than two hours to cover over 100 kilometers. You can also take the high-speed rail, which takes about the same amount of time. There are two places to visit the watchtowers, and you need to purchase a package ticket. It takes almost half a day, and you can return to Zhuhai the same day.