Here is another robot that keeps your lawn in great shape without you having to do a whole lot. The Greenworks Optimow 10 Robotic Lawnmower can overcome slopes up to 35%. It has adjustable cutting height of 20-60mm and runs for up to 70 minutes on battery. The Optimow 10 can mow lawns up to 1000 m2.
The Optimow 10 comes with GSM function, so you can monitor and put it on a schedule from your phone. It comes with lift and collision sensors for safe operation. It is also smart enough to detect rainy and frosty conditions.