Magento system configuration is provide below fields type
checkbox,
checkboxes,
column,
date,
editablemultiselect,
editor,
fieldset,
file,
gallery,
hidden,
image,
imagefile,
label,
link,
multiline,
multiselect,
note,
obscure,
password,
radio,
radios,
reset,
select,
submit,
text,
textarea,
time