0.4 acre working area capacity. 60 minute charge time, 70 minute run time. Three pivoting razor blades. Weather timer matches how frequently grass needs to be mowed with what season it is. Includes timer, low noise, no emissions, weather proof, object detection, anti-theft alarm (passcode protected), automatic charging, lift & tilt sensors, automatic passage handling, LED headlights, replaceable top covers and more! Compatible with the AutoMower Connect@HOME app.