MOWRO 4.0 Ah Lithium Ion Easy, Safe, Fully Autonomous Robotic Lawn Mower with Install Kit, by Redback RM24 (9.5in.) Item Weight:40.12 Bulk Pack: 100 count box keeps Item Weight:3.507 Bulk Pack: 100 count box keeps projects moving and reduces restocking trips Finish it in a crisp white for tailored contrast or stain it to echo your flooring for a seamless envelope Runs on a 48 hour schedule so it can keep up with the daily growth and at the same time let the minute grass clippings fall where they are cut which acts as its own fertilizer resulting in a healthier greener lawn An included rain sensor automatically sends the robot back to the charging station if rain is detected and will continue to mow once the storm is over An auto stop safety bumper allows this mower to safely go around objects left in the lawn and find an unhindered route to continue mowing if obstacles get in its path