AT&T Inc.'s streaming service DIRECTV NOW is launching on select Roku Inc. devices.

Owners of certain Roku devices now can stream all the content available on DIRECTV NOW. Those Roku users who do not have DIRECTV NOW subscriptions will receive a one-month free trial of the streaming service. The service is available on Roku TV 4K models, the Roku Ultra, Roku Premiere+, Roku Premiere, Roku Express, Roku Express+, Roku Streaming Stick (model 3600R), Roku 4, Roku 3 and Roku 2 (model 4210).

DIRECTV NOW offerings start from $35 a month for more than 60 channels and go up to $70 a month for more than 120 channels.