From
this site it looks like it has no barlow as the tube looks about eight times as long as the diameter. That is good news as there would be no barlow lense in the light train and it means your mirror will be easier to collimate and you can use simpler lenses.
Good catch!!
I could not find a manual on the web, even at the Tasco site, but its a simple reflector so post any questions and we can deal with them as they arise.
BTW welcome to IIS