https://www.amazon.com/gp/aw/d/B09TQYNB56?psc=1&ref=ppx_pop_mob_b_asin_title

Shouldnt be a bulb, should be two bulbs

one usb : https://www.amazon.com/gp/product/B09TQYNB56/ something like this works

one for radiant heat, i prefer an incandescent light bulb on a dimmer or proportional thermostat.