Robotic mowers are getting smarter all the time. Take the Segway Navimow H1500N-VF for instance: it is a smart robotic lawn mower with VisionFence technology that can mow around obstacles. It has a noise rating of 54dB. It can overcome slopes up to 24 degrees. This particular model has various safety features built-in.
The H1500N-VF comes with WiFi, 4G, and Bluetooth connectivity. It has a cutting width of 8.3-inch and cutting height of 1.2 to 2.4″. It can cover 1076 sq ft/h.