For Sale: 2023 Keystone Hideout 179 RB Travel Trailer, good as new! Only used 2 times for 300 miles. Over 21 ft, sleeps 4, very clean and in excellent condition! Many accessories that were purchased are included. Keystone warranty is transferable. Features: Solar panel and lithium battery, dinette slide-out, on-demand water heater, awning, A/C.