The Yard Force Compact 400RiS Robotic Lawnmower suitable for gardens up to 400m² is a handsfree way to help take care of your lawn. Its quiet operation means it can mow day and night, without disturbing your neighbours and the intelligent App means you can operate via your phone from any location. Easy to install with minimal programming, it will be active within a few minutes. The iRadar-Active Safety Ultrasonic Sensor feature is one of the most advanced in robotic mowing and allows the machine to move safely around your garden while avoiding obstacles. The Compact 400RiS is powered with a 20V 2Ah Lithium-Ion Samsung battery and a brushless motor which provides a highly efficient 60 minute run time and powers the machine to tackle 30% inclines. Once the perimeter lines are in place, select the mowing hours and the robot will begin mowing. The rain sensor feature will automatically send the mower back to its base in the event of rain and it will also return to its charging dock when th