There are major brands that you can use in Cambodia and also in other parts of the world including VISA, MasterCard, American Express, JCB and so on.
The most popular brands are VISA and MasterCard.
If this is your first Credit card, choosing one of them is the safest option.
2.Check maximum for purchases.
Transaction limit is important for you.
What would you do if your credit card did not work because the payment amount exceeds the limit in abroad?
Better to know this beforehand.