How much do the lightest travel trailers weigh, and what kind of trailer connectors do they have?

Wanting to know if I will be able to pull any type of travel trailer and if they all have the 7-way plugs|||If you own a 1 ton truck you can pull any of the travel trailers. If you own a car then a pup tent is about the only thing you can pull. The average 1/2 ton full size truck with a V8 (Dodge, Chevy, Ford, Toyota) can handle the largest bumper pull travel trailers. 5th wheel travel trailers or better left for the 3/4 and 1 ton trucks.|||you need the weight of the trailer and it must not exceed the capacity of the tow vehicle. if it has brakes you need the rv plug and a brake controller