HIGHLIGHTS: 2/3 Acre coverage 70 Minute Charge time 4G Cellular Connectivity with GPS Tracking Active Collision Sensors 19 Degree Slope Capable PERFECTLY MOWS 2/3 ACRE THEN AUTOMATICALLY RETURNS TO ITS CHARGING BASE! Automatic Recharge. Optimow Will Automatically Return To Its Charging Base And Takes Only 70 Minutes To Recharge! Modern Solutions. Optimow® Cutting Edge Technology Features Anti-Collision Sensors, GPS Tracking And A Programmable Cutting Schedule. Mow On A Slope. All Terrain Wheels Can Handle Up To 19° Slopes. Zero Gas Smell. Zero Pull Cords. Zero Maintenance. Zero Pollution Breathed. Zero Time Wasted. KEY FEATURES: Cutting System: 3 Pivoting Razor Blades Designed For 2/3 Acre Mowing Area Cutting Heights: 0.8"-2.4" Cutting Width: 8.7" All Terrain Wheels Can Handle 19° Slopes Floating Body With Collision Sensors Programmable Schedule -- Mow When You Need Automatically Returns To Charging Base GPS Tracking And 4G Connectivity (Free For 2 Years) Brushless Wheel And Blade Motors Installation Kit Sold Separately For DIY Professional Installation Also Available. See Your Local Greenworks Commercial Dealer For Details THE NO LIST: No Emissions. Save Money on Fuel And Breathe Cleaner Air Low Noise. Easy On The Ear, Low Decibel Mowing