H4 or visitor visa?

[gjainnk]

Hi

I am H1B and my husband is on L1 visa but my husband is going back to India since his assignment is complete. So if he wants to visit me in the USA in future, should he apply for H4 visa or a visitor visa. In which visa (H4/visitor), chancing of stamping are higher. Please suggest.

Thanks.

[kabkaba]

H4 Visa.