Nelson Traveling Sprinkler, Rust Resistant Cast Iron Body, Durable Brass Hose Connection, Built In Automatic Shut Off, Ramp Can Be Placed Anywhere On Hose, Ramp Trips Lever & Shuts Off Water, Adjustable Spray Arm With Regular Nozzles.
Walks along any length hose (up to 200 feet) to water your entire yard and then shuts off automatically. Adjustable coverage from 15 to 55 feet diameter spray, with 3 traveling speed settings (Low, Hi, and Neutral).
I only used it for about 20 hours total, and I'm selling because I'm moving to a house without a large lawn.
Manufacturer details are at https://nelsonsprinkler.com/ including videos of it in operation.