Booking.com allows PMs in certain countries to opt into Booking.com Payments. This allows property mangers to present more options to guests for paying for reservations other than the typical credit card. Here is more information on this program.
If this is available to you, and you are interested in enrolling, you can do so by logging into the Booking.com extranet and going to the Finance tab > Online Payments.
If you enable Booking.com payments, here is an example of what the guest sees at checkout: