GARDENA Rasenmähroboter »SILENO city 500«, 18 V, für ca. 500 m², Schnittbreite: 16 cm - hagebau.de
Amazon.com : GARDENA 15001-20 SILENO City - Automatic Robotic Lawn Mower, with Bluetooth app and Boundary Wire, The quietest in its Class, for lawns up to 2700 Sq Ft, Made in Europe,