Fully automatic real time robot for your lawn to cut and maintain the grass. No manpower required, automaic charging, converts grass cuttings to natural fertilizer, mulching cutting, climbs on slopes by itself effortlessly, 4 points patented reusable star blade, tilt sensor for safety, encoderinclinometergyroscope, sms communication, cellphone controlled via available apps at google play and apple app store, user friendly, east programming and many other features. Capacity 500 sq. Mtr. Size lawn, one time fixed installation