Amazon.com: GARDENA 15101-20 SILENO Life - Automatic Robotic Lawn Mower, with Bluetooth app and Boundary Wire, The quietest in its Class, for lawns up to 8100 Sq Ft, Made in Europe, Grey :
Amazon.com: GARDENA 15001-41 SILENO City - Automatic Robotic Lawn Mower, with Bluetooth app and Boundary Wire, one of The quietest in its Class, for lawns up to 2700 Sq Ft, Made in