Yeah you need a tube uvb bulb that covers 2/3rds of the enclosure. Something like this comes with a bulb. The bulbs need to be replaced every 6 months.
REPTI ZOO Reptile T5 HO UVB Lighting Combo Kit, Light Fixture Reptile Terrarium Hood, with Detachable Curved Reflector and 1pc Desert 10.0 UVB T5 Lamp, ETL certificated https://www.amazon.com/dp/B08HCL4J8D/ref=cm_sw_r_cp_api_glt_i_AF0A23509Y0ANSDCDT6K
these were the bad ones that had .1 uvb on the solarmeter https://www.amazon.com/gp/product/B08HCL4J8D/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1 they were called repti zoo.
Yes.
I just recently bought one of these: https://www.amazon.com/dp/B08HCL4J8D?ref=ppx\_yo2ov\_dt\_b\_product\_details&th=1
REPTI ZOO T5 HO UVB Lighting... https://www.amazon.com/dp/B08HCL4J8D?ref=ppx_pop_mob_ap_share
I recommend this uvb, and you wanna overlap uvb with baskin in one side and the other side should be shades incase he needs to cool down